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 it mean to add fractions?

Back

Adding fractions means combining the parts represented by the fractions to find a total.

Front

What is the first step in adding fractions with the same denominator?

Back

When adding fractions with the same denominator, keep the denominator the same and add the numerators.

Front

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

Back

Find a common denominator before adding the fractions.

Front

What is a common denominator?

Back

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

Front

How do you subtract fractions with the same denominator?

Back

When subtracting fractions with the same denominator, keep the denominator the same and subtract the numerators.

Front

What is the result of 7/7 - 5/7?

Back

The result is 2/7.

Front

Kayla has 3/9 of a pizza and Lille gave her 2/9 of a pizza. How much pizza does Kayla have now?

Back

Kayla has 5/9 of a pizza.

Front

What is 16/20 + 2/20?

Back

The result is 18/20.

Front

What is the simplest form of a fraction?

Back

The simplest form of a fraction is when the numerator and denominator have no common factors other than 1.