Decimal Arithmetic & GCF/LCM

Adding

100

Calculate the sum of 3.25 + 7.11

10.36

200

Add 8.39 to 12.06

20.45

300

Compute the result of 19.45 + 6.28.

25.73

400

Determine the sum of 4.2 and 9.73

13.93

500

Find the total when 15.7 is added to 26.84.

42.54

Subtracting

100

Calculate: 8.36 - 4.97 

3.39

200

Solve: 23.45 - 11.78

11.67

300

Subtract: 47.83 - 9.27

38.56

400

Determine the result of: 68.75 - 26.89

41.86

500

Find the difference: 15.6 - 3.42

12.18

Multiplying

100

Calculate: 3.5 x 4.2

14.7

200

Solve: 1.25 x 0.6

0.75

300

Find the product of: 7.8 x 2.5

19.5

400

Multiply: 0.09 x 0.4

0.036

500

Determine the result of: 12.6 x 3.75

47.25

Dividing

100

Calculate: 8.7 ÷ 0.3

29

200

Determine the result of: 5.64 ÷ 2

2.82

300

Find the quotient: 7.21 ÷ 0.7

10.3

400

Solve: 3.9 ÷ 0.13

30

500

What is the answer to: 6.25 ÷ 0.25

25

GCF / LCM

100

Find the greatest common factor (GCF) of 18 and 27

9

200

Determine the least common multiple (LCM) of 12 and 20

60

300

Calculate the GCF of 36 and 48

12

400

Find the LCM of 15 and 25

75

500

Solve for the GCF of 42 and 63

21