Least Common
Multiple (LCM)
Greatest Common Factor (GCF)
Comparing
Fractions
Simplifying
Fractions
Word Problems
100

What is the LCM of 8 & 12?

24

100

What is the GCF of 8 and 16?

8

100

Is 3/4 >, <, or = 7/8?

3/4 is less than 7/8

100

Simplify 12/16

3/4

100

Tadashi had a veggie pizza that was cut into 8 equal pieces. He ate 2 pieces and left the other 6 in the box. What fraction of the pizza did he eat? Include Label!

He ate 1/4 of the Pizza

200

What is the LCM of 12 and 24?

24

200

What is the GCF of 14 and 36?

2

200

Is 2/3 greater than, less than, or equal to 5/6?

2/3 is less than 5/6

200

Simplify 6/22

3/11

200

At the gym, Hillary swims every 6 days, runs every 4 days and cycles every 16 days. If she did all three activities today, in how many days will she do all three activities again on the same day?

In 48 days she will do all three on the same day.

300

What is the LCM of 28 and 12?

84

300

What is the GCF of 3, 18, and 24?

3

300

Is 1/4 greater than, less than, or equal to 1/6?

1/4 is greater than 1/6

300

Simplify 10/40

1/4

300

A full moon occurs every 30 days. If the last full moon occurred on a Friday, how many days will pass before a full moon occurs again on a Friday?

It will take 210 days.

400

What is hte LCM of 15 and 12?

60

400

What is the GCF of 9 and 45?

9

400

Is 1/5 greater than, less than, or equal to 3/15?

1/5 is equal to 3/15

400

Simplfy 30/54

5/9

400

I want to plant 45 sunflower plants, 81 corn plants and 63 tomato plants in my garden. If I put the same number of plants in each row and each row has only one type of plant, what is the greatest number of plants I can put in one row?

I can put 9 in each row.

500

What is the LCM of 16 and 26?

208

500

What is the GCF of 15 and 48?

3

500
How do you compare fractions? Explain all the steps.

1) Find the LCM of all the denominators.

2) Take each fraction and multiply the denominator by a number that equals to the LCM.

3) Whatever you multiply to each denominator, you do same to the numertator

4) You compare!

500

Simplfy 40/12

10/3

500

Cups are sold 6 to a package and plates are sold 8 to a package. If you want to have the same number of each item for a party, what is the least number of packages of each you need to buy?

He needs to buy 4 packages of cups and 3 packages of plates.