Adding Fractions
Subtracting Fractions
Addition Word Problems
Subtraction Word Problems
Vocabulary/Explanations
100
What is 1/3+1/5?
8/15
100
What is 3/9-2/18?
2/9
100
Kelly ate 4/8 of a pizza. Jamie ate 1/4 of that same pizza. How much of the pizza has been eaten?
3/4 of the pizza
100
Gita and her sister went together to get haircuts. Gita got 4/5 of an inch cut off and her sister got 7/10 of an inch cut off. Compared to her sister, how much more hair did Gita get taken off?
1/10
100

Define Simplified Fractions.

A fraction in its lowest form. 

200
What is 3/4+3/8?
1 1/8
200
What is 4/6-2/8?
5/12
200
Adam used up 2/7 of his memory on his phone in January. By August, he used up 6/14 of his memory. What is the total amount of memory Adam used up on his phone?
5/7
200
Dave's milkshake recipe calls for 5/6 of a scoop of ice cream and Ruth's recipe calls for 1/3 of a scoop. How many more scoops of ice cream are used in Dave's recipe than in Ruth's recipe?
1/2
200

What does LCD stand for?

Least Common Denominator.

300
What is 6/9+3/10?
29/30
300

What is 4/20-1/5?

0/20

300
Of the ice cream cones sold yesterday at Stanley's Ice Cream Shop, 1/6 were chocolate and another 2/3 were vanilla. What fraction of the ice cream cones sold were either chocolate or vanilla?
5/6
300
Isaac is allowed to play video games for 5/8 hours in a day. He has already played for 2/16 hours. How many hours does he have left?
4/8 hours
300

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

Mixed Number to Improper – MAD

 1. Multiply the whole number by the denominator. 

2. Add your answer to the numerator. 

3. Put your answer on top of the denominator.

400

What is 15/18+5/12?

45/36 = 1 9/36 = 1 3/12

400
What is 2/3-3/8?
7/24
400
Jeff works at a retail company. He counted 3/5 of the money on Monday. On Friday he counted 5/25 of the money. How much of the money did he count in total?
4/5
400
Pedro is supposed to practice piano 4/6 of an hour every day. He practiced for 6/12 of an hour. How much time does he have left to practice?
1/6
400

How do you find the Least Common Denominator?

Least Common Denominator (LCD) – To find the LCD, you must list the multiples of both denominators. The first one they have in common is the LCD.

500
What is 10/15+4/20?
13/15
500
What is 7/9-3/8?
29/72
500

In Kyle's history class, 5/27 of the students are making videos for their final project and 1/3 are making dioramas. What fraction of the students are making either a video or a diorama?

14/27

500

Rachel and Katie were selling Girl Scout Cookies as a team. Week 1, they sold 8/15 boxes of cookies compared to the rest of the troop. Week 2, they sold 4/10 boxes of cookies compared to the rest of the troop. How many more boxes of cookies did the girls sell in week 1 than week 2?

4/30 = 2/15

500

List the steps to add/subtract fractions with uncommon denominators. 

1. Find the LCD.

2. Find the fractions' equivalent fractions.

3. Add the numerators and keep the denominators the same.

4. Simplify, if needed.

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