Adding/Subtracting Mixed Numbers

Front

What is a mixed number?

Back

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

Front

How do you add mixed numbers?

Back

To add mixed numbers, first add the whole numbers, then add the fractions. If the fraction sum is improper, convert it to a mixed number.

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 9/4.

Front

How do you subtract mixed numbers?

Back

To subtract mixed numbers, first subtract the whole numbers, then subtract the fractions. If the fraction from the second number is larger, borrow from the whole number.

Front

What is the first step in adding 5 1/6 + 8 8/9?

Back

Convert both mixed numbers to improper fractions before adding.

Front

What do you do if the fractions have different denominators?

Back

Find a common denominator before adding or subtracting the fractions.

Front

What is the common denominator of 1/6 and 8/9?

Back

The common denominator is 18.

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 that over the original denominator.

Front

What is 2 1/3 as an improper fraction?

Back

2 1/3 = (2*3 + 1)/3 = 7/3.

Front

What is the result of 7 2/3 - 3 1/3?

Back

The result is 4 1/3.