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.

Tags

CCSS.3.NF.A.3C

Front

How do you add mixed numbers?

Back

To add mixed numbers, first add the whole numbers, then add the fractions, and if necessary, convert to a mixed number.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the first step in subtracting mixed numbers?

Back

The first step is to find a common denominator for the fractions.

Tags

CCSS.7.NS.A.1C

Front

Why do we need a common denominator when adding or subtracting fractions?

Back

We need a common denominator because it allows us to combine fractions with different sized pieces.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the lowest common denominator (LCD)?

Back

The lowest common denominator is the smallest multiple that two or more denominators share.

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.

Front

What is the result of 6½ - 2⅔?

Back

3 5/6.

Tags

CCSS.7.NS.A.1C

Front

What is the result of 1 1/3 + 4 1/4?

Back

5 7/12.

Tags

CCSS.7.NS.A.1C

Front

What is the result of 8 4/5 + 9 1/10?

Back

17 9/10.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

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