Adding and Subtracting Fractions Practice

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 is the numerator in a fraction?

Back

The numerator is the top number in a fraction that indicates how many parts of the whole are being considered.

Front

What is the denominator in a fraction?

Back

The denominator is the bottom number in a fraction that indicates the total number of equal parts the whole is divided into.

Front

What does it mean to find a common denominator?

Back

Finding a common denominator means identifying a shared multiple of the denominators of two or more fractions to make them easier to add or subtract.

Front

How do you add fractions with the same denominator?

Back

To add fractions with the same denominator, simply add the numerators and keep the denominator the same.

Front

How do you subtract fractions with the same denominator?

Back

To subtract fractions with the same denominator, subtract the numerators and keep the denominator the same.

Front

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

Back

The first step is to find a common denominator.

Front

Solve: 1/2 + 3/4

Back

5/4 or 1 1/4.

Front

Solve: 5/6 - 3/12

Back

7/12.

Front

What is the least common multiple (LCM)?

Back

The least common multiple is the smallest multiple that two or more numbers share.