Adding & Subtracting Mixed Numbers

Front

What is a mixed number?

Back

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

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 over the original denominator is the fraction.

Front

What is the first step to add or subtract mixed numbers?

Back

Convert any mixed numbers to improper fractions.

Front

What do you need to do when adding or subtracting fractions with unlike denominators?

Back

Find a common denominator.

Front

How do you find a common denominator for two fractions?

Back

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

Front

What is the simplest form of a fraction?

Back

A fraction is in simplest form when the numerator and denominator have no common factors other than 1.

Front

How do you simplify a fraction?

Back

Divide both the numerator and denominator by their greatest common factor (GCF).

Front

What is the process for adding mixed numbers?

Back

1. Convert to improper fractions. 2. Find a common denominator. 3. Add the fractions. 4. Convert back to a mixed number if necessary.

Front

What is the process for subtracting mixed numbers?

Back

1. Convert to improper fractions. 2. Find a common denominator. 3. Subtract the fractions. 4. Convert back to a mixed number if necessary.

Front

What is an example of adding mixed numbers?

Back

Example: 2 1/4 + 3 2/3 = 5 11/12.