Adding and 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

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 top is smaller, borrow from the whole 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

Convert the mixed number 3 1/4 to an improper fraction.

Back

3 1/4 = 13/4.

Front

What is the first step in adding 2 1/3 + 1 2/3?

Back

Convert the mixed numbers to improper fractions: 2 1/3 = 7/3 and 1 2/3 = 5/3.

Front

What is the sum of 1/2 + 1/4?

Back

1/2 + 1/4 = 2/4 + 1/4 = 3/4.

Front

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

Back

Divide the numerator by the denominator. The quotient is the whole number, and the remainder is the new numerator.

Front

What is the result of 4 1/2 - 2 1/2?

Back

4 1/2 - 2 1/2 = 2.

Front

What do you do if you need to subtract a larger fraction from a smaller one?

Back

You need to borrow from the whole number in the mixed number.