Adding & Subtracting 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 have unlike denominators?

Back

Unlike denominators are when the bottom numbers of two or more fractions are different.

Front

What is a common denominator?

Back

A common denominator is a number that is a multiple of the denominators of two or more fractions, allowing them to be added or subtracted.

Front

How do you find a common denominator for 1/2 and 3/4?

Back

The least common multiple of 2 and 4 is 4, so the common denominator is 4.

Front

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

Back

The first step is to find a common denominator.

Front

Solve: 1/3 + 1/6 = ?

Back

1/3 + 1/6 = 1/2.

Front

What is the least common multiple (LCM) of 3 and 4?

Back

The LCM of 3 and 4 is 12.

Front

How do you convert 1/2 to have a denominator of 8?

Back

Multiply both the numerator and denominator by 4: 1/2 = 4/8.

Front

Solve: 2/5 + 1/10 = ?

Back

2/5 + 1/10 = 5/10 = 1/2.

Front

What is an equivalent fraction?

Back

An equivalent fraction is a fraction that represents the same value as another fraction, even though the numerator and denominator are different.