7-11 Add and Subtract 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 first mixed number is smaller, borrow from the whole number.

Front

What is the first step in solving 13 - (2 4/5 + 1 2/3)?

Back

The first step is to calculate the sum of 2 4/5 and 1 2/3.

Front

When working through a math equation, which direction do you work from?

Back

You work from left to right.

Front

How do you represent the sum of two mixed numbers?

Back

You can represent the sum of two mixed numbers as (whole number + whole number) + (fraction + fraction).

Front

What is the process to 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 denominator is the fraction.

Front

What is the sum of 5 3/4 and 1 5/6?

Back

The sum is 7 1/12.

Front

How do you subtract a mixed number from another mixed number?

Back

Convert both mixed numbers to improper fractions, then subtract the fractions and convert back to a mixed number if necessary.

Front

What is the first step in solving (5 3/4 + 1 5/6) - 6 7/12?

Back

First, calculate the sum of 5 3/4 and 1 5/6.