Adding and Subtracting Fractions

Multiple Choice

Which of the following best describes a denominator in a fraction?

• The top number of a fraction, shows how many parts are taken.

• The bottom number of a fraction, shows total equal parts.

• The answer you get when you add numbers together.

• A number that has the same value as another.

Multiple Select

Which of the following steps are involved in finding a common denominator when adding fractions?

• List multiples of each denominator.

• Choose the least common multiple (LCM).

• Rewrite each fraction with the new denominator.

• Multiply the numerators together.

Multiple Choice

When adding fractions with like denominators, what should you do?

• Add the denominators and numerators.

• Add the numerators and keep the denominator the same.

• Find a common denominator before adding.

• Multiply the numerators and denominators.

Fill in the Blanks

To add fractions with unlike denominators, you must first find a common

, then add the numerators.

Multiple Choice

If you subtract 2/5 from 4/5, what is the result?

• 2/10

• 2/5

• 4/10

• 6/5

Multiple Choice

What is the first step when subtracting fractions with unlike denominators?

• Find a common denominator for both fractions.

• Subtract the numerators directly.

• Multiply the denominators together.

• Rewrite each fraction as a decimal.

Fill in the Blanks

Rational numbers include all fractions and decimals that ___ or ___.

Multiple Choice

 5/8 − (− 7/8)

• 1  1/2
• 2  1/2
• -1  1/2
• -2  1/2

Multiple Choice

Find the difference of 7/10 - 9/10

• 5
• -1/5
• -8/5
• 8/5

Multiple Choice

Solve 1/2 + (-3/4)

• -1/4
• 1
• -1
• 1/4

Multiple Choice

Make sure your final answer is in simplest form!

• -5/3
• -10/12
• 0

Open Ended

What is one real-world situation where you might need to add or subtract fractions?