Adding & Subtracting Mixed Numbers

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a fraction, such as 2 1/4.

Front

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

Back

Divide the numerator by the denominator. The quotient is the whole number, and the remainder is the numerator of the fraction.

Front

What is the first step in adding mixed numbers?

Back

Convert the mixed numbers to improper fractions.

Front

How do you find a common denominator for adding fractions?

Back

Identify the least common multiple (LCM) of the denominators.

Front

What is the process for subtracting mixed numbers?

Back

Convert to improper fractions, find a common denominator, subtract, and convert back to a mixed number if necessary.

Front

What do you do if the numerator is smaller than the denominator when subtracting fractions?

Back

You may need to borrow from the whole number part of the mixed number.

Front

What is the result of 6 2/4 - 2 2/5?

Back

4 1/10.

Front

Why can't we just add the numerators and denominators of fractions with different denominators?

Back

Because the size of the pieces is different.

Front

What is the result of 2 1/4 - 7/8?

Back

1 3/8.

Front

How do you simplify a fraction?

Back

Divide the numerator and denominator by their greatest common factor.