Adding/Subtracting Fractions

Front

What is a fraction?

Back

A fraction represents a part of a whole and is written as 'a/b', where 'a' is the numerator (part) and 'b' is the denominator (whole).

Front

What does it mean to add fractions?

Back

Adding fractions involves combining the parts represented by the fractions. To add fractions with different denominators, find a common denominator first.

Front

How do you find a common denominator?

Back

To find a common denominator, identify the least common multiple (LCM) of the denominators of the fractions you want to add.

Front

What is the sum of 5/4 and 2/3?

Back

The sum is 23/12.

Front

How do you add fractions with different denominators?

Back

1. Find a common denominator. 2. Convert each fraction to an equivalent fraction with the common denominator. 3. Add the numerators and keep the common denominator.

Front

What is the sum of 3/4 and 4/5?

Back

The sum is 31/20.

Front

What does it mean to subtract fractions?

Back

Subtracting fractions involves taking away the parts represented by the fractions. Similar to addition, find a common denominator for fractions with different denominators.

Front

What is the total amount if Lauren has 1/8 bag of popcorn and Chloe has 2/3 bag?

Back

They have a total of 19/24 bag of popcorn.

Front

How do you subtract fractions with different denominators?

Back

1. Find a common denominator. 2. Convert each fraction to an equivalent fraction with the common denominator. 3. Subtract the numerators and keep the common denominator.

Front

What is the total fraction of rock songs and ballads on an iPod if 3/8 are rock and 2/8 are ballads?

Back

The total fraction is 5/8.