Adding/Subtracting Fractions (uncommon denominators)

Front

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

Back

Find a common denominator for both fractions.

Front

What is the least common multiple (LCM) of 2 and 7?

Back

14

Front

How do you convert fractions to have a common denominator?

Back

Multiply the numerator and denominator of each fraction by the necessary factors to reach the common denominator.

Front

What is 4/6 + 2/3 in simplest form?

Back

8/9

Front

What is the sum of 1/3 + 3/9?

Back

2/3

Front

If you color in 2 more slices of a pizza that has 8 slices, what fraction of the pizza is colored?

Back

5/8

Front

What is the formula for adding fractions?

Back

(a/b) + (c/d) = (ad + bc) / (bd) where b and d are the denominators.

Front

What is the result of 1/12 + 1/6?

Back

1/4

Front

How do you simplify the fraction 6/9?

Back

Divide both the numerator and denominator by their greatest common divisor, which is 3, resulting in 2/3.

Front

What is the sum of 3/4 + 1/8?

Back

7/8