Brian McLogan
How to subtract a fraction from another when the denominators are the same
👉 Learn how to add and subtract fractions whose denominators are not the same. Recall that when we want to add or subtract fractions having the same denominator, we add the numerators and retain the (common) denominator. This is...
Brian McLogan
Multiple Examples on Adding and Subtracting Rational Expressions
Multiple Examples on Adding and Subtracting Rational Expressions
Curated Video
The Meat Shop (Solve single-step word problems involving addition and subtraction of fractions with equal denominators without a model (equations))
The meat shop sold one and two fourths pounds of beef to one customer, two and three fourths pounds to a second customer, and one pound to a third customer. How many pounds of beef did the shop sell to the three customers?
Curated Video
Using Equivalent Fractions to Subtract Fractions and Mixed Numbers with Unlike Denominators
In this video, students learn how to use equivalent fractions to subtract fractions and mixed numbers with unlike denominators. The teacher explains the process step by step, emphasizing the importance of finding a common denominator and...
Curated Video
Making Pastries (Use visual models to solve word problems involving subtraction of fractions with like and unlike denominators)
Amanda had a bag of pastry flour that weighed 3 and nine twelfths pounds. This weekend she made two different types of pastry, for one recipe Amanda used one twelfth of a pound and for the other 1 and one sixth pounds of flour. How much...
Curated Video
Subtracting Fractions with the Same Denominator
This video teaches students how to solve word problems involving subtracting fractions with the same denominators. It explains the concept of breaking fractions apart into unit fractions and demonstrates how to subtract the numerators to...
Curated Video
Finding Errors in Adding and Subtracting Fractions (Part 1)
Find the error when adding and subtraction fractions of unlike denominators using equivalent fractions.
Curated Video
School Race (Solve single-step word problems involving addition and subtraction of fractions with equal denominators using the number line)
The school race is three and three-eighths miles long. If Sam ran one and five-eighths miles, what is the distance left for Sam to reach the finish line?
Curated Video
Subtracting Fractions Using the Number Line
Subtract fractions with unlike denominators using the number line.
Curated Video
Snow Mountain (Solve multistep word problems involving addition and subtraction of fractions with equal denominators using the number line)
A ski mountain had the first snowstorm of the season. Two days ago, the total snowfall was one and four fifths feet and yesterday an additional two and two fifths feet fell. Today it was sunny and three fifths of a foot of snow melted....
Curated Video
Colored Tiles (Solve single-step word problems involving addition and subtraction of fractions with equal denominators using visual models)
A bathroom floor in a house is made up of 12 colored tiles of equal size. 5 of the tiles are red and 3 are green, and the rest are yellow. What is the fraction that represents the red tiles out of the total number of tiles? And what is...
Curated Video
Finding the Error in Subtracting Fractions
Find the error in equations when subtracting fractions using benchmark fractions.
Curated Video
Trip to the Amusement Park (Use the number lines to solve word problems involving subtraction of fractions with like and unlike denominators)
Billy and Peter are going to the amusement park with their families. Each family is taking their own car for the ride. Once everyone reached the park, Billy’s dad said: “we drove five and one eighth miles” and Peter’s dad said: “my car’s...
Curated Video
Subtracting Fractions With Equal Denominators On The Number Line
Subtract fractions with equal denominators using the number line.
Curated Video
Finding Errors in Adding and Subtracting Fractions (Part 2)
Sasha is baking two different types of cookies. The recipe for chocolate chip cookies requires three and one third cups of flour, while the recipe for the sugar cookies requires two and three fourths cups of flour. How much flour will...
Curated Video
Subtracting Fractions With Equal Denominators
Subtract fractions with equal denominators using visual models.
Curated Video
Adding and Subtracting Fractions With Equal Denominators
Add and subtract fractions with equal denominators without a model.
Curated Video
Subtracting Mixed Numbers
In this short math video we will practice and apply our knowledge of subtracting mixed numbers to answer a standardized math test question. We will begin by reviewing how to write a mixed number as an improper fraction. We will then...
Curated Video
Bread and Cake (Solve multistep word problems involving addition and subtraction of fractions with equal denominators using visual models)
In the bakery the flour container has six and two sixths cups. The baker used two and four sixths cups of flour to bake bread and two and five sixths cups to make cake. How many cups do we have left?
NUMBEROCK
Adding and Subtracting Fractions
In a future time, when AI robots have taken over running pizzerias on a planet orbiting Alpha Centauri, the robot Zigon takes orders and then adds and subtracts fractions before the Pizzamatic-5000 serves up large pepperoni and cheese...
Khan Academy
Adding and Subtracting Fractions
This video shows how to add, subtract, and simplify fractions using a pie graph and an infinite blackboard. Once he has established the rule, Sal throws the viewer a curve ball with a fraction subtraction problem that results in a...