Adding and Subtracting Fractions with Common Denominators

Josie had 15 plastic hearts to share with her friends. She lost 3 of them in her backpack. How many of the 15 hearts does she have left to share with her friends?

• 10/15

• 12/15

• 5/15

• 6/15

Reed baked Valentine donuts. He served 2/3 of the those that he made. How much of his starting total remains? Reed thinks the answer is 1/3. Is this true?

• True
• False

What does 8/9 + 1/9 equal?

Ms. Woltman and Ms. Kurtovich participated in a Valentine's Day Walk together, taking turns! Ms. Woltman walked 2/6 hour. Mrs. Kurtovich walked 3/6 hour. What fraction of the hour does Ms. Woltman still need to walk to complete the Walk?

• 1/6 of the hour

• The whole hour

• 2/6 of the hour

• They completed the Walk.

4/5 + 6/5 results in an improper fraction that is equivalent to 2.

• True
• False

Click on all of the fraction skills we have learned so far.

• Finding equivalent fractions

• Dividing fractions

• Comparing fractions with visuals and common denominators

• Adding and subtracting fractions with common denominators

Jeffery was working on this problem before the class Valentine's Day Party. He was rushing. What did he do wrong?

Margaret needs to pick up chocolates at her local store. She rides her bike 2/10 mile before picking up her friend. Together, they ride 5/10. What is the distance from Margaret's house to the store?

• 6/10

• 8/10

• 7/10

• 3/10

Principal Harris plans to give out 20 Candy Grams to 20 students. He pays for 8 on Monday and 2 more on Tuesday. How many more of the 20 Candy Grams does Mr. Harris have to pay for on Wednesday?

19/20 - 16/20 results in an improper fraction.

• True
• False