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Greatest Common Factors
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Multiply & Divide Fractions
Multiplying & dividing decimals with a calculator
100

Change the following Mixed Number to an Improper Fraction:

3 2/3

11/3

100

Find the Greatest Common Factor (GCF) of: 4 and 8.

The GCF is 4.
100

Find the Least Common Multiple (LCM) of: 12 and 4.

The LCM is 12.

100

Multiply the following fractions: 

 1/2 * 3/4

3/8

100

What is the product of 4.814 × 0.7?

3.3698

200

Change the following Improper Fraction to a Mixed Number:

18/5

3 3/5

200

Find the Greatest Common Factor (GCF) of: 15 and 35.

The GCF is 5.

200

Find the Least Common Multiple (LCM) of: 6 and 7.

The LCM is 42.

200

Divide the following fractions:

9/10 * 6

5 2/3

200

Find the quotient of 254.76 ÷ 0.176

1,447.5

300

Round 2.679 to the nearest tenth.

2.7

300

Find the Greatest Common Factor (GCF) of: 21 and 28.

The GCF is 7.

300

Find the Least Common Multiple (LCM) of: 3 and 9.

The LCM is 9.

300

Multiply the following fractions:

2 3/10 * 3 3/4

8 5/8

300

5.215 ÷ 0.25

Round to the nearest tenth

20.9

400

Round 5.9240 to the nearest hundredth. 

5.92

400

Find the Greatest Common Factor (GCF) of: 22 and 77.

The GCF is 11.

400

Find the Least Common Multiple (LCM) of: 25 and 75.

The LCM is 75.

400

Multiply the following fractions:

3 * 5 2/9

15 2/3

400

Nia is filling up the gas tank in her motorcycle. She puts 4.145 gallons of gas in the tank. If the gas costs $2.57 per gallon, how much did Nia spend on gas? Round to the nearest cent if necessary.

$10.65

500

Find the prime factorization of 60 

2x2x3x5

500

There are 30 apples, 42 pears, and 54 oranges for fruit baskets. If the fruit need to be divided equally into separate baskets with the same number of each type of fruit in each basket, how many different fruit baskets will there be?

6 fruit baskets

500

Last year, Stacy's history and math classes had regular tests. Each history test had 2 questions and each math test had 8 questions. If Stacy had to answer the same number of history questions and math questions last year, what is the smallest number of each type of question she must have answered?

8 questions

500

A custard recipe uses 2 3/4 cups of milk. Andrew makes 5 times as much custard as is in one recipe, how much milk will Andrew use?

13 3/4

500

Sara bought 6.35 pounds candy to equally distribute in candy dishes. If she fills each candy dish with 0.25 pound of candy, how many dishes of candy can she fill?

25 dishes

600

Find the prime factorization of 540.

2x2x3x3x3x5

600

A club has 20 girls and 16 boys as members. The president wants to break the club into groups, with each group containing the same combination of girls and boys. The president also wants to make sure that no one is left out. What is the greatest number of groups the president can make?

4 groups

600

On every third visit to Craft Depot, you receive a free craft kit. On every fifth visit, you receive a discount of $6. After how many visits do you receive the free craft kit and the discount at the same time?

15 visits

600

A truck weighs 8,500 pounds. A car is 

7/10 as heavy as the truck. How much does the truck weigh?  

5,950 pounds

600

Derek buys 3.8 pounds of apples and 5.2 pounds of oranges. The apples cost $1.35 per pound, and the oranges cost $1.45 per pound. If Derek pays with a $20 bill how much change does he receive? 

$7.33