Adding and Subtracting Fractions

Front

What is a fraction?

Back

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

Front

What does it mean to add fractions?

Back

Adding fractions means combining two or more fractions to find a total. If the denominators are the same, add the numerators and keep the denominator.

Front

What does it mean to subtract fractions?

Back

Subtracting fractions means finding the difference between two fractions. If the denominators are the same, subtract the numerators and keep the denominator.

Front

What is the result of adding 2/8 + 3/8?

Back

5/8

Front

What is the result of subtracting 11/18 - 4/18?

Back

7/18

Front

What is the result of subtracting 13/16 - 7/16?

Back

6/16

Front

What is the result of subtracting 5/9 - 2/9?

Back

3/9

Front

What is the result of adding 4/12 + 5/12?

Back

9/12

Front

What is a common denominator?

Back

A common denominator is a shared multiple of the denominators of two or more fractions, allowing them to be added or subtracted.

Front

How do you find a common denominator?

Back

To find a common denominator, identify the least common multiple (LCM) of the denominators.