Adding Fractions
Subtracting Fractions
Least Common Denominator
Prime Factors
Random Trivia
100

1/4 + 3/8

5/8

100

9/10 - 2/5

5/10 or 1/2

100

What is the least common denominator for 2/3 and 5/9

9

100

8

2 x 2 x 2

100

What is Ms. Romero's favorite animal?

Giraffe

200

3/5 + 1/3

14/15

200

5/7 - 2/3

1/21

200

What is the least common denominator for 1/3 and 1/5

15

200

12

2 x 2 x 3

200

What is Ms. Romero's favorite color?

Blue

300

3 4/5 + 2 3/10

6 1/10

300

10 5/9 - 9 1/6

1 7/18

300

What is the least common denominator for 1/5 and 1/8

40

300

24

2 x 2 x 2 x 3

300

What is Ms. Romero's favorite school subject?

Math

400

7 2/5 + 4 2/4

11 18/20 or 11 9/10

400

4 5/6 - 2 3/4

2 1/12

400

What is the least common denominator for 1/6 and 4/21

42

400

64

2 x 2 x 2 x 2 x 2 x 2

400

What is Ms. Romero's favorite chip?

Anything SPICY

500

Izzy mixed two liquids for a science experiment. One container held 7/8 cup and the other held 9/10 cup. What is the total amount of the mixture?

1 31/40 cups

500

Ezra had a 7/8 of a chocolate bar. He gave 1/4 of it to Cami. How much of the chocolate bar does Ezra have left? 

5/8

500

What is the least common denominator for 5/18 and 7/12

36

500

83

83 is a prime number.

500

How many years has Ms. Romero been a teacher?

3