add, subtract, multiply and divide fractions

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 or 23/4.

Front

How do you convert a mixed number to an improper fraction?

Back

To convert a mixed number to an improper fraction, multiply the whole number by the denominator, add the numerator, and place that result over the original denominator. For example, 5 3/4 = (5*4 + 3)/4 = 23/4.

Front

What is the result of dividing 18 by 1/2?

Back

Dividing 18 by 1/2 is the same as multiplying 18 by 2, which equals 36.

Front

What is the process to subtract fractions with different denominators?

Back

To subtract fractions with different denominators, first find a common denominator, convert the fractions, and then subtract the numerators.

Front

What is 8/9 - 1/3?

Back

8/9 - 1/3 = 8/9 - 3/9 = 5/9.

Front

How do you divide fractions?

Back

To divide fractions, multiply the first fraction by the reciprocal of the second fraction. For example, to divide 2/3 by 4/5, calculate 2/3 * 5/4.

Front

What is the result of dividing 9 by 24?

Back

Dividing 9 by 24 gives you 3/8.

Front

What is a common denominator?

Back

A common denominator is a shared multiple of the denominators of two or more fractions, used to perform operations like addition or subtraction.

Front

What is the result of 4 1/12 + 3 5/12?

Back

4 1/12 + 3 5/12 = 7 6/12 = 7 1/2.

Front

What is the first step in adding fractions?

Back

The first step in adding fractions is to find a common denominator.