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 1/2.

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 4 1/3 to an improper fraction.

Back

13/3

Front

What is regrouping in subtraction?

Back

Regrouping is the process of borrowing from the next highest place value to make subtraction easier.

Front

How do you subtract mixed numbers?

Back

Convert them to improper fractions, subtract, and then convert back if necessary.

Front

What is the first step in subtracting mixed numbers?

Back

Convert both mixed numbers to improper fractions.

Front

Solve: 6 1/4 - 2 6/8.

Back

3 1/2

Front

Solve: 4 1/3 - 1 2/3.

Back

2 2/3

Front

Solve: 5 3/5 - 1 4/5.

Back

3 4/5

Front

What do you do if the top number is smaller than the bottom number in subtraction?

Back

You need to regroup by borrowing from the whole number.