Adding and Subtracting Fractions

Front

What is a fraction?

Back

A fraction represents a part of a whole. It consists of a numerator (top number) and a denominator (bottom number).

Front

What does it mean to add fractions with the same denominator?

Back

When adding fractions with the same denominator, you keep the denominator the same and add the numerators.

Front

What is the sum of 3/9 + 4/9?

Back

7/9

Front

What does it mean to subtract fractions with the same denominator?

Back

When subtracting fractions with the same denominator, you keep the denominator the same and subtract the numerators.

Front

What is 9/11 - 2/11?

Back

7/11

Front

How do you add mixed numbers?

Back

To add mixed numbers, first add the whole numbers, then add the fractions, and combine them.

Front

What is 4 1/3 + 2 1/3?

Back

6 2/3

Front

If Kayla has 3/9 of a pizza and receives 2/9 more, how much pizza does she have now?

Back

5/9

Front

What is the total amount of cookie Kyleigh had after eating 1/5?

Back

4/5 of the cookie was left for Noelle.

Front

What is a common denominator?

Back

A common denominator is a shared multiple of the denominators of two or more fractions, used to add or subtract them.