Add/Subtract Fractions

Front

What is the process of combining fractions with the same denominator called?

Back

Adding fractions.

Front

What is the process of finding the difference between two fractions called?

Back

Subtracting fractions.

Front

What do you need to have in order to add or subtract fractions?

Back

Common denominators.

Front

If two fractions have different denominators, what must you do before adding or subtracting them?

Back

Find a common denominator.

Front

What is a common denominator?

Back

A common multiple of the denominators of two or more fractions.

Front

How do you add fractions with the same denominator?

Back

Add the numerators and keep the denominator the same.

Front

How do you subtract fractions with the same denominator?

Back

Subtract the numerators and keep the denominator the same.

Front

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

Back

Find the least common denominator (LCD).

Front

What is the least common denominator (LCD)?

Back

The smallest multiple that is common to the denominators of two or more fractions.

Front

When adding mixed numbers, what should you do first?

Back

Add the whole numbers and then add the fractions.