Adding and 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 1/3.

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 denominator is the fraction.

Front

What is the first step in adding mixed numbers?

Back

Convert the mixed numbers to improper fractions.

Front

How do you add 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 first step in subtracting mixed numbers?

Back

Convert the mixed numbers to improper fractions.

Front

How do you subtract 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 a common denominator?

Back

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

Front

How do you find a common denominator for 1/3 and 1/4?

Back

The least common multiple of 3 and 4 is 12, so the common denominator is 12.

Front

What is the process to simplify a fraction?

Back

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

Front

What is the greatest common factor (GCF)?

Back

The GCF is the largest number that divides two or more numbers without leaving a remainder.