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 is the numerator in a fraction?

Back

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

Front

What is the denominator in a fraction?

Back

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

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a fraction, such as 2 1/2.

Front

What is an improper fraction?

Back

An improper fraction is a fraction where the numerator is greater than or equal to the denominator, like 5/4.

Front

How do you add fractions with the same denominator?

Back

Add the numerators and keep the same denominator. For example, 1/4 + 2/4 = 3/4.

Front

How do you add fractions with different denominators?

Back

Find a common denominator, convert the fractions, then add the numerators. For example, 1/3 + 1/6 = 2/6 + 1/6 = 3/6 = 1/2.

Front

What is the first step in subtracting fractions?

Back

Make sure the fractions have the same denominator. If not, find a common denominator.

Front

How do you subtract fractions with the same denominator?

Back

Subtract the numerators and keep the same denominator. For example, 3/5 - 1/5 = 2/5.

Front

What is the result of 4 1/3 + 2 1/3?

Back

The result is 6 2/3.