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 1/4.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

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.

Tags

CCSS.7.NS.A.1C

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 than the second, borrow from the whole number.

Tags

CCSS.7.NS.A.1C

Front

What is the first step in solving a problem involving mixed numbers?

Back

Identify whether you need to add or subtract the mixed numbers.

Tags

CCSS.7.NS.A.1C

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 is the new numerator over the original denominator.

Front

What is the least common denominator (LCD)?

Back

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

Front

How do you find the least common denominator?

Back

List the multiples of each denominator and find the smallest multiple that appears in both lists.

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.

Tags

CCSS.3.NF.A.3C

Front

What does it mean to borrow in subtraction?

Back

Borrowing in subtraction means taking 1 from the whole number to convert it into a fraction, allowing you to subtract a larger fraction.

Tags

CCSS.7.NS.A.1C

Front

What is the sum of 1 1/2 and 2 2/3?

Back

The sum is 4 1/6.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2