Adding Fractions with Unlike Denominators

Front

What is a numerator?

Back

The top number in a fraction.

Front

What must you have to add and subtract fractions?

Back

Common denominators.

Front

What is a denominator?

Back

The bottom number in a fraction.

Front

How do you find a common denominator for two fractions?

Back

By finding the least common multiple (LCM) of the denominators.

Front

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

Back

Find a common denominator.

Front

If you have 1/4 and 1/6, what is the 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 same number.

Front

What is 1/4 + 1/6?

Back

1/4 + 1/6 = 5/12.

Front

What is the process of simplifying a fraction?

Back

Dividing the numerator and denominator by their greatest common factor (GCF).

Front

What does it mean to add fractions?

Back

Combining the parts represented by the fractions.