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 for 1/3 and 7/12?

Back

To find a common denominator, identify the least common multiple (LCM) of the denominators. For 3 and 12, the LCM is 12.

Front

What is the first step in adding 1/3 + 7/12?

Back

Convert 1/3 to a fraction with a denominator of 12, which is 4/12.

Front

What is the sum of 4/12 and 7/12?

Back

4/12 + 7/12 = 11/12.

Front

How do you add 1/6 and 2/5?

Back

First, find a common denominator, which is 30. Convert the fractions: 1/6 = 5/30 and 2/5 = 12/30. Then add: 5/30 + 12/30 = 17/30.

Front

What is the sum of 1/3 and 5/9?

Back

Convert 1/3 to 3/9. Then add: 3/9 + 5/9 = 8/9.

Front

How do you add 2/5 and 3/10?

Back

Find a common denominator, which is 10. Convert 2/5 to 4/10. Then add: 4/10 + 3/10 = 7/10.

Front

What is the sum of 2/3 and 1/6?

Back

Find a common denominator, which is 6. Convert 2/3 to 4/6. Then add: 4/6 + 1/6 = 5/6.

Front

What is the process of simplifying a fraction?

Back

Simplifying a fraction means reducing it to its lowest terms by dividing the numerator and denominator by their greatest common divisor (GCD).