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 involves combining two or more fractions to find a total. This often requires 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 a common denominator for 1/2 and 1/3?

Back

The least common denominator (LCD) of 2 and 3 is 6. Convert 1/2 to 3/6 and 1/3 to 2/6.

Front

What is the first step in adding 3/4 and 1/2?

Back

Find a common denominator for the fractions.

Front

Solve: 4/6 - 1/2

Back

1/6

Front

Solve: 3/7 + 2/21

Back

11/21

Front

Solve: 3/9 + 1/3

Back

2/3

Front

What is an improper fraction?

Back

An improper fraction is a fraction where the numerator is greater than or equal to the denominator.

Front

Convert 10/8 to a mixed number.

Back

10/8 can be converted to 1 2/8 or simplified to 1 1/4.