Adding and Subtracting Fractions with Regrouping

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. To add fractions, they must have a common denominator.

Front

What does it mean to subtract fractions?

Back

Subtracting fractions means finding the difference between two fractions. Like addition, they must have a common denominator.

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 the least common denominator (LCD) of 1/3 and 1/4?

Back

The least common denominator of 1/3 and 1/4 is 12.

Front

What is regrouping in subtraction?

Back

Regrouping in subtraction is the process of borrowing from a higher place value to subtract a smaller number.

Front

Solve: 4 1/3 - 1 2/3

Back

2 2/3

Front

Solve: 7 1/5 - 3 4/5

Back

3 2/5

Front

What do you need to do before adding or subtracting fractions?

Back

You need to find a common denominator.

Front

Solve: 6 1/4 - 2 3/4

Back

3 1/2