Adding and Subtracting Fractions

Front

What is a fraction?

Back

A fraction represents a part of a whole. It consists of a numerator (top number) and a denominator (bottom number).

Front

What does the numerator in a fraction represent?

Back

The numerator represents the number of parts we have.

Front

What does the denominator in a fraction represent?

Back

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

Front

What is an equivalent fraction?

Back

Equivalent fractions are different fractions that represent the same value or proportion of a whole.

Front

How do you add fractions with the same denominator?

Back

Add the numerators and keep the same denominator.

Front

How do you subtract fractions with the same denominator?

Back

Subtract the numerators and keep the same denominator.

Front

What do you need to add or subtract fractions with different denominators?

Back

You need to find a common denominator.

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 a common denominator for 1/4 and 1/6?

Back

The least common multiple of 4 and 6 is 12, so the common denominator is 12.

Front

What is 3/4 + 1/4?

Back

3/4 + 1/4 = 4/4 = 1 (whole).