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 the 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 simplify a fraction?

Back

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

Front

What is the sum of 1 1/4 and 2 2/4?

Back

3 3/4.

Front

What is the difference between 5 3/8 and 2 1/8?

Back

3 1/4.

Front

What is a common denominator?

Back

A common denominator is a shared multiple of the denominators of two or more fractions.

Front

How do you find the least common denominator (LCD)?

Back

List the multiples of each denominator and find the smallest multiple they share.

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.