Fractions

Front

What is a unit fraction?

Back

A unit fraction is a fraction where the numerator is 1 and the denominator is a positive integer, such as 1/7.

Front

How do you write 5/7 as a sum of unit fractions?

Back

5/7 can be written as 1/7 + 1/7 + 1/7 + 1/7 + 1/7.

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a proper fraction, like 3 4/9.

Front

How do you convert a mixed number to an improper fraction?

Back

Multiply the whole number by the denominator, add the numerator, and place the result over the original denominator.

Front

Convert the mixed number 3 4/9 to an improper fraction.

Back

3 4/9 = 31/9.

Front

Convert the mixed number 4 5/8 to an improper fraction.

Back

4 5/8 = 37/8.

Front

What does it mean to reduce a fraction?

Back

To reduce a fraction means to simplify it to its lowest terms.

Front

Reduce the fraction 16/20.

Back

16/20 = 4/5.

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 9/8.

Front

How do you identify a proper fraction?

Back

A proper fraction is a fraction where the numerator is less than the denominator, such as 3/4.