Adding Mixed Numbers and Subtracting Mixed Numbers

Front

What is a mixed number?

Back

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

Front

How do you add mixed numbers?

Back

To add mixed numbers, first add the whole numbers, then add the fractions. If the fraction sum is improper, convert it to a mixed number.

Front

What is the first step in subtracting mixed numbers?

Back

The first step is to subtract the whole numbers, then subtract the fractions.

Front

What do you do if the fraction in subtraction is larger than the fraction being subtracted?

Back

If the fraction being subtracted is larger, you need to borrow 1 from the whole number.

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 new numerator.

Front

What is the sum of 3 1/4 and 2 2/5?

Back

The sum is 5 13/20.

Front

What is the difference between 5 1/2 and 2 3/4?

Back

The difference is 2 3/4.

Front

How do you simplify a fraction?

Back

To simplify a fraction, divide the numerator and the denominator by their greatest common divisor (GCD).

Front

What is the least common denominator (LCD)?

Back

The least common denominator is the smallest multiple that two or more denominators share.

Front

What is the process for adding fractions with different denominators?

Back

Find the least common denominator, convert the fractions, then add the numerators.