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

How do you find a common denominator?

Back

To find a common denominator, identify the least common multiple (LCM) of the denominators.

Front

What is the least common multiple (LCM)?

Back

The least common multiple is the smallest number that is a multiple of two or more numbers.

Front

What is the first step in adding unlike fractions?

Back

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

Front

1/3 + 5/9 = ?

Back

8/9

Front

1/3 + 7/12 = ?

Back

11/12

Front

3/4 + 2/3 = ?

Back

1 5/12

Front

2/3 + 1/5 = ?

Back

13/15

Front

1/6 + 2/5 = ?

Back

17/30