Operations with Rational Numbers

CovertingFraction/Decimal

100

The fraction which is equivalent to -1.5

What is - 3/2?

200

The decimal value equivalent to 7/8.

What is 0.875?

300

The fraction value equivalent to 2.25.

What is 2 ¹/₄?

400

The decimal equivalent to 4/9.

What is 0.4444...?

500

I am a value bigger than 1/4, smaller than 1/2 and expressed as a repeating decimal.

What is 1/3 or 0.33333?

Adding Rational Numbers

100

-3.15 + (-2.25)

What is -5.4?

200

0.38 + (-1.2)

What is -0.82?

300

9/25 + (-17/25)

What is -8/25?

400

-3/4 + 1/12

What is -2/3?

500

-1.25 + ¹/₅

What is -1.05?

Subtracting Rational Numbers

100

3/11 - 8/11

What is -5/11 ?

200

- 2/3 - 3/4

What is -17/12 or -1 ⁵/₁₂ ?

300

-0.06 - (-0.86)

What is 0.8 ?

400

5 ²/₃ - (-¹/₃)

What is 6 ?

500

-15.5 - (-2 ¹/₂)

What is -13?

Multiplying Rational Numbers

100

-5(-¹/₃)

What is 5/3 or 1 ²/₃ ?

200

-3.2 x 5

What is -16?

300

-¹/₆ (-²/₃)

What is 1/9?

400

9.8 * -0.04

What is -0.392 ?

500

-6 ²/₃ * -9

What is 60?

Dividing Rational Numbers

100

-1/4 divided by 3/8

What is -2/3?

200

-20 divided by 0.5

What is -40?

300

-15 divided by -5/8

What is 24?

400

-0.00252 divided by -0.42

What is 0.006?

500

-5.85 divided by 1/2

What is -11.7 or -117/10?