+/- 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 it mean to add fractions with different denominators?

Back

To add fractions with different denominators, you must first find a common denominator, convert the fractions, and then add the numerators.

Front

How do you find a common denominator for 2/3 and 1/2?

Back

The least common multiple (LCM) of the denominators (3 and 2) is 6. Convert 2/3 to 4/6 and 1/2 to 3/6.

Front

What is the sum of 2/3 and 1/2?

Back

7/6

Front

What is the sum of 3/8 and 1/3?

Back

17/24

Front

What is the sum of 3/9 and 4/9?

Back

7/9

Front

If Christine ate 1/6 of a pie and her brother ate 1/3, how much is left?

Back

1/2 of the pie is left.

Front

What is the sum of 1/2, 1/3, and 1/5?

Back

31/30

Front

What is an improper fraction?

Back

An improper fraction is a fraction where the numerator is greater than or equal to the denominator, such as 7/6.

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a proper fraction, such as 1 1/6.