Adding 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 the numerator in a fraction represent?

Back

The numerator indicates how many parts of the whole are being considered.

Front

What does the denominator in a fraction represent?

Back

The denominator shows the total number of equal parts the whole is divided into.

Front

How do you add fractions with different denominators?

Back

To add fractions with different denominators, first find a common denominator, convert the fractions, and then add the numerators.

Front

What is a common denominator?

Back

A common denominator is a shared multiple of the denominators of two or more fractions.

Front

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

Back

Find a common denominator, which for 4 and 3 is 12.

Front

What is 1/4 converted to a fraction with a denominator of 12?

Back

1/4 = 3/12.

Front

What is 2/3 converted to a fraction with a denominator of 12?

Back

2/3 = 8/12.

Front

What is the sum of 3/12 and 8/12?

Back

3/12 + 8/12 = 11/12.

Front

What is the sum of 8/10 and 3/20?

Back

First convert 8/10 to 40/50 and 3/20 to 7.5/50, then add: 40/50 + 7.5/50 = 47.5/50 = 19/20.