add and subtract fractions and 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

Convert 7/2 to a mixed number.

Back

3 1/2

Front

Convert 21/5 to a mixed number.

Back

4 1/5

Front

What is the simplified form of 9/45?

Back

1/5

Front

Convert 27/12 to a mixed number.

Back

2 1/4

Front

What is a common denominator?

Back

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

Front

What is the least common multiple (LCM) of 2, 3, and 4?

Back

The LCM is 12.

Front

How do you add fractions with different denominators?

Back

Find a common denominator, convert the fractions, and then add the numerators.

Front

How do you subtract fractions with different denominators?

Back

Find a common denominator, convert the fractions, and then subtract the numerators.