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 1/2.

Front

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

Back

To find the LCD, list the multiples of the denominators and find the smallest multiple they have in common.

Front

Back

60

Front

Back

15

Front

Back

30

Front

How do you add mixed numbers?

Back

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

Front

Calculate: 8 1/2 + 2 1/2 = ?

Back

11

Front

What is the result of adding 8 4/5 and 9 1/10?

Back

17 9/10

Front

What is a proper fraction?

Back

A proper fraction is a fraction where the numerator is less than the denominator, such as 3/4.

Front

What is an improper fraction?

Back

An improper fraction is a fraction where the numerator is greater than or equal to the denominator, such as 5/4.