subtract mixed numbers

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a fraction, such as 2 1/4.

Front

How do you subtract mixed numbers?

Back

To subtract mixed numbers, convert them to improper fractions, subtract, and then convert back if necessary.

Front

What is an improper fraction?

Back

An improper fraction is a fraction where the numerator is greater than or equal to the denominator, like 9/4.

Front

Convert the mixed number 2 3/4 to an improper fraction.

Back

2 3/4 = 11/4.

Front

What is the first step in subtracting mixed numbers?

Back

Convert both mixed numbers to improper fractions.

Front

Subtract the mixed numbers: 3 1/2 - 1 1/4.

Back

3 1/2 - 1 1/4 = 2 1/4.

Front

What is the result of 5 - 2 3/4?

Back

5 - 2 3/4 = 2 1/4.

Front

How do you find a common denominator for fractions?

Back

To find a common denominator, identify the least common multiple (LCM) of the denominators.

Front

What is the common denominator of 4 and 6?

Back

The common denominator of 4 and 6 is 12.

Front

Subtract the fractions: 1/2 - 1/3.

Back

1/2 - 1/3 = 1/6.