Converting
Fraction/Decimal
Adding Rational Numbers
Subtracting Rational Numbers
Multiplying Rational Numbers
Dividing Rational Numbers
100

The fraction value is equivalent to -0.25 in simplest terms.

- 1/4

100

0.38 + (-1.2)

-0.82

100

- 4/13 - 8/13

-12/13

100
5(1/3)
1 and 2/3
100

-1/4 divided by 3/8

-2/3

200

The decimal value equivalent to 7/10

0.7

200

9/25 + (-17/25)

-8/25

200

-0.06 - (-0.86)

0.8

200

-1/6 (-2/3)

1/9

200

-15 divided by -5/8

24

300

The fraction value equivalent to 0.008 in simplest terms.

1/125

300

-5/4 + 1/12

-1 1/6

300

-5/12 - (-2/24)

-1/3

300

-2.57 (-0.5)

1.285

300

-1/2 divided by 3/10

-1 2/3

400

A small nation has an area of 0.828 square miles. Express this value as a fraction in simplest terms.

207/250

400

Henry runs up 10.5 flights of stairs. What elevation will Henry have to run to represent an additive inverse of 0?

-10.5

400

The snowfall in Rochester, NY in the winter of 1999-2000 was 91.5 inches. Normal snowfall is about 76 inches per winter. How much more snow fell in the winter of 1999-2000 than is normal?

15.5 inches

400

Joe had a breakfast party. He invited four of his best friends. Each friend brought 3.4 cups of coffee. How much coffee did they all bring together?

13.6 cups

400

Lily bought 2 1/2 yards of ribbon to make bows for 4 of her friends. How much yard will she use for each ribbon?

5/8 yards

500

The fraction value equivalent to -2.8 in simplest terms.

-2 and 4/5

500

To make a small amount of play dough, you can mix 1 cup of flour, 1/4 cup of salt and 1/2 cup of water. What is the total amount of ingredients added to make the play dough?

1 3/4 cups

500

A scuba diving instructor takes a group of students underwater to a depth of 54.96 feet. Then they descend 22.38 feet to see some fish. Where are the fish in relation to the surface?

-77.34 feet

500

A remote-control airplane is descending at a rate of 24.91 meters per second. What will be its change in height after 3.5 seconds? Round your answer to the nearest meter.

-87 meters

500

The location of a submarine changes by −0.5 kilometers each minute. It is currently 18 kilometers below sea level. How much time did it take to get to there?

36 minutes

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