Subtracting Functions and finding the domain in interval notation

👉 Learn how to add or subtract fractions with common denominators. When adding or subtracting two or more fractions with common denominators, we add or subtract only the numerator while we keep the denominator the same. We will then...

Jason is training for the upcoming national swimming competition. This morning he swam a few laps which totaled seven ninths of a mile. In the evening he swam some more laps which totaled two thirds of a mile. How much different is the...

👉 Learn how to solve multi-step equations with variable on both sides of the equation. An equation is a statement stating that two values are equal. A multi-step equation is an equation which can be solved by applying multiple steps of...

👉 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...

Multiple Examples on Adding and Subtracting Rational Expressions

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?

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...

Subtract fractions with unlike denominators without a model.

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...

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...

Find the error when adding and subtraction fractions of unlike denominators using equivalent fractions.

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?

Subtract fractions with unlike 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....

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...

Find the error in equations when subtracting fractions using benchmark fractions.

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...

Subtract fractions with equal denominators using the number line.

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...

Subtract fractions with equal denominators using visual models.

How to add and subtract fractions.

Add and subtract fractions with equal denominators without a model.

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...