Adding and Subtracting Fractions with Mixed Numbers

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

Front

What is the first step in adding mixed numbers?

Back

Convert the 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 common denominator of 2/3 and 1/4?

Back

The common denominator is 12.

Front

How do you simplify a fraction?

Back

Divide the numerator and the denominator by their greatest common factor.

Front

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

Back

1 2/4 or 1 1/2.

Front

What is 5 3/8 - 2 7/8?

Back

2 1/2.

Front

What is the result of 5 1/7 - 2 4/7?

Back

2 4/7.

Front

How do you add mixed numbers?

Back

Convert to improper fractions, add the fractions, and convert back to a mixed number if necessary.