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 it mean to add fractions?

Back

Adding fractions involves combining two or more fractions to find a total or sum.

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 compare them.

Front

How do you find a common denominator for 1/4 and 2/3?

Back

The least common denominator (LCD) of 4 and 3 is 12. Convert 1/4 to 3/12 and 2/3 to 8/12.

Front

What is the sum of 1/4 and 2/3?

Back

1/4 + 2/3 = 3/12 + 8/12 = 11/12.

Front

How do you add fractions with different denominators?

Back

Convert them to equivalent fractions with a common denominator, then add the numerators.

Front

What is the sum of 1/12 and 4/6?

Back

1/12 + 4/6 = 1/12 + 8/12 = 9/12 = 3/4.

Front

What is the sum of 6/12 and 1/3?

Back

6/12 + 1/3 = 6/12 + 4/12 = 10/12 = 5/6.

Front

What is the sum of 1/6 and 5/12?

Back

1/6 + 5/12 = 2/12 + 5/12 = 7/12.

Front

What is the sum of 1/2 and 2/5?

Back

1/2 + 2/5 = 5/10 + 4/10 = 9/10.