Adding and subtracting Fractions with Unlike Denominators

Front

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

Back

Find a common denominator for the fractions.

Front

How do you find a common denominator for two fractions?

Back

Identify the least common multiple (LCM) of the denominators.

Front

What is the least common multiple (LCM) of 6 and 2?

Back

The LCM of 6 and 2 is 6.

Front

If you have the fractions 1/3 and 1/4, what is their common denominator?

Back

The common denominator is 12.

Front

How do you convert fractions to have a common denominator?

Back

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

Front

What is 2/6 + 1/2 in simplest form?

Back

5/6.

Front

When adding fractions, what must you do after finding a common denominator?

Back

Convert each fraction to an equivalent fraction with the common denominator, then add the numerators.

Front

What is the sum of 1/3, 2/3, and 3/4?

Back

1 and 3/4 cups.

Front

What is the importance of simplifying fractions after addition or subtraction?

Back

To express the fraction in its simplest form for easier understanding and comparison.

Front

What is the result of 5/9 + 1/6?

Back

13/18 gallons.