Rational numbers   »      
Add and Subtract in ℚ
- For experts -

 On this page you can practice calculating
with rational numbers.

Hint:
Calculate the bracket first, e.g.
17.1 - ((-3.1 - 1.2))
    = 17.1 + 4.3
= 21.4      


Click on  check  to check your answer.
Click on  new  to create a new problem.
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Rational numbers
Problems with brackets -1-

First calculate the brackets ↦ result.
 =  =
        

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