Module 6 ~ Adding and Subtracting Fractions

Front

What do I need to do to the numerator when I change the denominator of a fraction?

Back

I must do the same operation to the numerator.

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

How do you find the least common multiple (LCM) of two numbers?

Back

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

Front

What is the first step in adding fractions with different denominators?

Back

Find a common denominator.

Front

If I have the fractions 1/4 and 1/6, what is their common denominator?

Back

The common denominator is 12.

Front

How do you add fractions with the same denominator?

Back

Add the numerators and keep the denominator the same.

Front

What is the sum of 2/3 and 1/4?

Back

The sum is 11/12.

Front

What is the difference when subtracting fractions with the same denominator?

Back

Subtract the numerators and keep the denominator the same.

Front

If I have 3/5 and I subtract 1/5, what is the result?

Back

The result is 2/5.

Front

What is the process of simplifying a fraction?

Back

Dividing the numerator and denominator by their greatest common factor.