Adding and Subtracting Fractions Unlike

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 term 'least common denominator' (LCD) mean?

Back

The least common denominator is the smallest number that can be used as a common denominator for two or more fractions.

Front

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

Back

To find the LCD, list the multiples of each denominator and find the smallest multiple that appears in both lists.

Front

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

Back

24

Front

What is the process to 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.

Front

Calculate: 8/9 - 1/3.

Back

5/9

Front

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

Back

12

Front

How do you convert a fraction to an equivalent fraction?

Back

Multiply the numerator and the denominator by the same non-zero number.

Front

Calculate: 4/5 - 1/20.

Back

15/20

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.