Adding and Subtracting 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 have like denominators?

Back

Like denominators are when two or more fractions have the same denominator, allowing them to be added or subtracted directly.

Front

What does it mean to have unlike denominators?

Back

Unlike denominators are when two or more fractions have different denominators, requiring a common denominator to add or subtract them.

Front

How do you find the least common denominator (LCD)?

Back

The least common denominator is the smallest multiple that two or more denominators share.

Front

What is the first step in adding fractions with unlike denominators?

Back

The first step is to find the least common denominator (LCD) for the fractions.

Front

Solve: 1/4 + 1/2

Back

3/4

Front

What is the process for subtracting fractions?

Back

To subtract fractions, ensure they have like denominators, then subtract the numerators and keep the denominator the same.

Front

Solve: 8/9 - 5/6

Back

1/18

Front

How do you add fractions with different denominators?

Back

Convert them to equivalent fractions with a common denominator, then add the numerators.

Front

Marty used 2/3 cup of sugar and 1/4 cup of sugar. How much sugar did he use in total?

Back

11/12 cup of sugar.