Mixed Numbers and Improper Fractions

Front

What is a mixed number?

Back

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

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 5/4.

Front

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

Back

Multiply the whole number by the denominator, add the numerator, and place that over the denominator. For example, 2 1/3 = (2*3 + 1)/3 = 7/3.

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 is the new numerator over the original denominator. For example, 9/4 = 2 1/4.

Front

What is the first step in adding mixed numbers?

Back

Convert the mixed numbers to improper fractions.

Front

What is the first step in subtracting mixed numbers?

Back

Convert the mixed numbers to improper fractions.

Front

What is the least common denominator (LCD)?

Back

The least common denominator is the smallest number that can be used as a common denominator for two or more fractions.

Front

How do you find the least common denominator?

Back

List the multiples of each denominator and find the smallest multiple they have in common.

Front

What is the process for adding fractions with different denominators?

Back

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

Front

What is the process for subtracting fractions with different denominators?

Back

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