Adding & Subtracting Fractions w/ Unlike Denominator - 11/22/24

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

How do you find the least common multiple (LCM) of two numbers?

Back

To find the LCM, list the multiples of each number and find the smallest multiple that they have in common.

Front

What is the LCM of 6 and 15?

Back

30

Front

What is the LCM of 8 and 5?

Back

40

Front

How do you add fractions with unlike denominators?

Back

First, find the LCM of the denominators, then convert each fraction to an equivalent fraction with the LCM as the new denominator, and finally add the numerators.

Front

What is the sum of 4/5 and 2/7?

Back

38/35

Front

What is the sum of 1/3 and 3/4?

Back

13/12

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.

Front

How do you convert a fraction to an equivalent fraction?

Back

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