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 the denominator of a fraction represent?

Back

The denominator indicates how many equal parts the whole is divided into.

Front

What does the numerator of a fraction represent?

Back

The numerator shows how many parts of the whole are being considered.

Front

What is an equivalent fraction?

Back

Equivalent fractions are different fractions that represent the same value or proportion of the whole.

Front

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

Back

To find the LCD, list the multiples of each denominator and find the smallest multiple that both denominators share.

Front

What is the least common denominator of 6/8 and 4/12?

Back

24

Front

What is the least common denominator of 1/4 and 1/3?

Back

12

Front

How do you add fractions with unlike denominators?

Back

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

Front

Solve: ½ + ⅖

Back

9/10

Front

How do you subtract fractions with unlike denominators?

Back

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