Add and Subtract Fractions

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 the numerator in a fraction represent?

Back

The numerator indicates how many parts of the whole are being considered.

Front

What does the denominator in a fraction represent?

Back

The denominator shows the total number of equal parts the whole is divided into.

Front

How do you add fractions with the same denominator?

Back

Add the numerators and keep the denominator the same.

Front

How do you subtract fractions with the same denominator?

Back

Subtract the numerators and keep the denominator the same.

Front

What is the first step to add or subtract fractions with different denominators?

Back

Find a common denominator for the fractions.

Front

What is a common denominator?

Back

A common denominator is a shared multiple of the denominators of two or more fractions.

Front

How do you find the least common denominator (LCD) of two fractions?

Back

The least common denominator is the smallest multiple that both denominators share.

Front

What is the least common denominator for 2 and 3?

Back

The least common denominator for 2 and 3 is 6.

Front

What is 1/2 + 1/4?

Back

1/2 + 1/4 = 3/4.