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Simplify: (i) 1/(-12)+2/(-15) (ii) (-8)...

Simplify: (i) `1/(-12)+2/(-15)` (ii) `(-8)/(19)+(-4)/(57)`

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RD SHARMA ENGLISH-OPERATIONS ON RATIONAL NUMBERS-All Questions
  1. Add the following rational numbers: (i) (-7)/(27)\ a n d(11)/(18) (...

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  2. Simplify: (i) 8/9+(-11)/6 (ii) (-5)/(16)+7/(24)

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  3. Simplify: (i) 1/(-12)+2/(-15) (ii) (-8)/(19)+(-4)/(57)

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  4. Add and express the sum as a mixed fraction: (i) (-12)/5+(43)/(10) ...

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  5. Subtract (i) 9 from 4 (ii) 9 from -4 (iii) -8 from 3

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  6. Subtract (-3)/8 from (-5)/7

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  7. Subtract (-3)/5 from 9/(10)dot

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  8. The sum of two rational numbers is (-3)/5 . If one of the number is (-...

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  9. What number should be added to (-5)/8 so as to get 5/9 ?

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  10. What should be subtracted from (-3)/4 so as to get 5/6?

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  11. Simplify : (i) (-2)/3+5/9-(-7)/6 (ii) 5/(12)+(-5)/(18)-7/(24)

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  12. Subtract the first rational number from the second in each of the fo...

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  13. Subtract the first rational number from the second in each of the f...

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  14. Evaluate each of the following: 2/3-3/5 (ii) -4/7-2/(-3)

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  15. Evaluate each of the following: (i) 4/7-(-5)/(-7) (ii) -2-5/9

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  16. The sum of the two numbers is 5/9dot If one of the numbers is 1/3, Fin...

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  17. The sum of two numbers is (-1)/3 . If one of the numbers is (-12)/3 , ...

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  18. The sum of two numbers is (-4)/3 . If one of the numbers is 05 , find ...

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  19. The sum of two rational numbers is -8. If one of the numbers is (-15)/...

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  20. What number should be added to (-7)/8 so as to get 5/9?

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