Adding & Subtracting Fractions

Front

What is the process for adding fractions with different denominators?

Back

To add fractions with different denominators, first find the least common denominator (LCD). Convert each fraction to an equivalent fraction with the LCD, then add the numerators and keep the denominator the same.

Front

How do you subtract fractions with different denominators?

Back

To subtract fractions with different denominators, find the least common denominator (LCD). Convert each fraction to an equivalent fraction with the LCD, then subtract the numerators and keep the denominator the same.

Front

What is a proper fraction?

Back

A proper fraction is a fraction where the numerator is less than the denominator.

Front

What is an improper fraction?

Back

An improper fraction is a fraction where the numerator is greater than or equal to the denominator.

Front

What is a mixed number?

Back

A mixed number is a whole number combined with a proper fraction.

Front

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

Back

To convert an improper fraction to a mixed number, divide the numerator by the denominator. The quotient becomes the whole number, and the remainder becomes the numerator of the proper fraction.

Front

What is the least common denominator (LCD)?

Back

The least common denominator (LCD) is the smallest multiple that two or more denominators share.

Front

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

Back

To find the LCD of two fractions, list the multiples of each denominator and identify the smallest multiple that appears in both lists.

Front

What is the first step in adding or subtracting fractions?

Back

The first step in adding or subtracting fractions is to ensure that the fractions have a common denominator.

Front

What is the result of adding 3/4 and 1/2?

Back

The result of adding 3/4 and 1/2 is 1 1/4.