5/3 Adding fractions with unlike denominators

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 with unlike denominators?

Back

It means to add fractions that have different bottom numbers (denominators), requiring a common denominator to be found first.

Front

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

Back

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

Front

What is the sum of 1/3 + 1/2?

Back

5/6.

Front

What is the least common multiple (LCM) of 5 and 6?

Back

The LCM of 5 and 6 is 30.

Front

How do you add 3/5 and 3/6?

Back

Find the common denominator (30), convert the fractions to 18/30 and 15/30, then add to get 33/30 or 1 and 1/10.

Front

What is the sum of 5/10 + 2/4?

Back

1.

Front

How do you convert 2/4 to a fraction with a denominator of 10?

Back

Multiply the numerator and denominator by 2 to get 5/10.

Front

What is the sum of 7/10 + 2/4?

Back

1 and 1/5.

Front

What is 1/6 + 1/6?

Back

1/3.