Adding Unlike 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 unlike fractions?

Back

Adding unlike fractions means combining fractions that have different denominators.

Front

What is a common denominator?

Back

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

Front

How do you find a common denominator for 1/3 and 1/9?

Back

The least common denominator for 1/3 and 1/9 is 9.

Front

What is the first step in adding unlike fractions?

Back

The first step is to find a common denominator for the fractions.

Front

Rewrite and solve: 1/3 + 1/9

Back

1/3 + 1/9 = 3/9 + 1/9 = 4/9.

Front

Rewrite and solve: 2/5 + 1/10

Back

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

Front

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

Back

1/4 + 1/2 = 1/4 + 2/4 = 3/4.

Front

How do you convert 1/2 to a fraction with a denominator of 4?

Back

1/2 = 2/4.

Front

What is the result of adding 3/8 and 1/4?

Back

3/8 + 1/4 = 3/8 + 2/8 = 5/8.