Subtracting Mixed Numbers with Regrouping

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a fraction, such as 2 1/3.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

How do you subtract mixed numbers with regrouping?

Back

1. Convert mixed numbers to improper fractions. 2. Subtract the fractions. 3. If needed, regroup from the whole number.

Tags

CCSS.7.NS.A.1C

Front

What is regrouping in subtraction?

Back

Regrouping is borrowing from the whole number to make the fraction larger when subtracting.

Tags

CCSS.7.NS.A.1C

Front

Convert the mixed number 4 2/6 to an improper fraction.

Back

11/6.

Front

What is the first step in subtracting 7 3/15 - 3 4/5?

Back

Convert 3 4/5 to a fraction with a common denominator, which is 15.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the common denominator of 15 and 5?

Back

The common denominator is 15.

Front

How do you convert 2 2/3 to an improper fraction?

Back

Multiply the whole number by the denominator and add the numerator: 2 * 3 + 2 = 8/3.

Front

What is the result of 6 1/4 - 2 6/8?

Back

3 1/2.

Tags

CCSS.7.NS.A.1C

Front

How do you simplify the fraction 4/8?

Back

Divide both the numerator and denominator by 4 to get 1/2.

Front

What is the process of finding the difference between two mixed numbers?

Back

Convert both to improper fractions, find a common denominator, subtract, and convert back if necessary.

Tags

CCSS.7.NS.A.1C