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. For example, 2 1/2 = (2*2 + 1)/2 = 5/2.

Front

What does regrouping mean in subtraction?

Back

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

Front

What is the first step in subtracting mixed numbers?

Back

Convert both mixed numbers to improper fractions.

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 result of 6 1/4 - 2 6/8?

Back

3 1/2.

Front

What is the result of 4 1/3 - 1 2/3?

Back

2 2/3.

Front

What is the result of 1 2/5 - 4/5?

Back

3/5.

Front

What is the result of 5 3/5 - 1 4/5?

Back

3 4/5.

Front

How do you simplify the fraction 50/8?

Back

Divide both the numerator and denominator by their greatest common divisor, which is 2, to get 25/4.