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?

Back

To subtract mixed numbers, first subtract the whole numbers, then subtract the fractions. If the fraction of the top number is smaller than the bottom, regroup from the whole number.

Tags

CCSS.7.NS.A.1C

Front

What does regrouping mean in subtraction?

Back

Regrouping means borrowing from the whole number to make the fraction larger when the top fraction is smaller than the bottom.

Tags

CCSS.7.NS.A.1C

Front

What is the first step in subtracting mixed numbers?

Back

The first step is to separate the whole numbers from the fractions.

Tags

CCSS.7.NS.A.1C

Front

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

Back

Multiply the whole number by the denominator, add the numerator, and place that over the original denominator.

Front

Convert 2 1/4 to an improper fraction.

Back

2 1/4 = (2*4 + 1)/4 = 9/4.

Front

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

Back

3/5 + 1/5 = 4/5.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

Front

What is the difference between 5/6 and 1/3?

Back

5/6 - 1/3 = 5/6 - 2/6 = 3/6 = 1/2.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

If you have 7 3/15 and subtract 3 4/5, what is the result?

Back

7 3/15 - 3 4/5 = 3 2/5.

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

Front

What is the result of 7 2/7 - 3 5/7?

Back

7 2/7 - 3 5/7 = 3 4/7.

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D