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.

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 the result over the original denominator. For example, 2 1/3 = (2*3 + 1)/3 = 7/3.

Front

What does regrouping mean in subtraction?

Back

Regrouping is the process of rearranging numbers to make subtraction easier, often by borrowing from the next highest place value.

Front

How do you subtract fractions with different denominators?

Back

Find a common denominator, convert the fractions, and then subtract the numerators.

Front

What is the first step in subtracting mixed numbers?

Back

Convert both mixed numbers to improper fractions.

Front

What is 7 3/15 - 3 4/5?

Back

3 2/5.

Front

What is 4 1/3 - 1 2/3?

Back

2 2/3.

Front

What is 6 1/4 - 2 6/8?

Back

3 1/2.

Front

Convert 2 1/5 to an improper fraction.

Back

11/5.

Front

What is 1 2/5 - 4/5?

Back

3/5.