Adding Mixed Numbers 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 fractions have different denominators, find a common denominator.

Front

What is the least common denominator (LCD)?

Back

The least common denominator (LCD) is the smallest number that can be used as a common denominator for two or more fractions.

Front

What is the first step when adding mixed numbers?

Back

Write the numbers vertically, or on top of each other.

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 the sum of 4 and 2/3 and 1 and 1/6?

Back

The sum is 5 and 1/2.

Front

What is 3 and 1/4 - 1 and 2/3?

Back

The result is 1 and 5/12.

Front

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

Back

Divide the numerator by the denominator. The quotient is the whole number, and the remainder over the original denominator is the fraction.

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

What is the sum of 2/5 and 1/10?

Back

The sum is 1/2.