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Simplify: (i)(-8)/7xx(14)/5 (ii) (13)...

Simplify:
(i)`(-8)/7xx(14)/5`
(ii) `(13)/6xx(-18)/(91)`

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RD SHARMA ENGLISH-OPERATIONS ON RATIONAL NUMBERS-All Questions
  1. Multiply: (i)3/4\ by 5/7 (ii) 3/7 by ((-4)/5)

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  2. Multiply: (i)((-5)/9) by 4 (ii) ((-36)/7) by (-(28)/9)

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  3. Simplify: (i)(-8)/7xx(14)/5 (ii) (13)/6xx(-18)/(91)

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  4. Simplify: (i)(-5)/9xx(72)/(-125) (ii) (-22)/9xx(-51)/(-88)

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  5. Simplify: (i) ((-16)/5xx(20)/8)-((15)/5xx(-35)/5) (ii) ((-3)/2xx4/5...

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  6. Multiply: (i)7/(11)b y5/4 (ii) 5/7b y(-3)/4

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  7. Multiply: (i)(-2)/9b y5/(11) (ii) (-3)/(17)b y(-5)/(-4)

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  8. Multiply: (i)(-5)/(17)b y(51)/(-60) (ii) (-6)/(11)b y(-55)/(36)

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  9. Multiply: (i)(-8)/(25) by (-5)/(16) (ii) 6/7 by (-49)/(36)

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  10. Simplify each of the following and express the result as a rational ...

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  11. Simplify each of the following and express the result as a rational ...

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  12. Simplify: (i) (-5xx2/(15))-(-6xx2/9) (ii) ((-9)/4xx5/3)+((13)/2xx5/...

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  13. Simplify: (i) ((13)/9xx(-15)/2)+(7/3xx8/5)+(3/5xx1/2) (ii) (3/(11)x...

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  14. Write the reciprocal of each of the following rational numbers: (i)...

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  15. Write the reciprocal of each of the following rational numbers: (i)...

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  16. Find the reciprocal of: (-3)/8xx(-7)/(13)

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  17. Divide: (i)3/5\ b y4/(25) (ii) 8/9\ b y4/3

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  18. Divide: (i)(-16)/(21)\ b y4/3 (ii) (-8)/(13)\ b y3/(-26)

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  19. The product of two rational numbers is (-28)/(81)dot If one of the ...

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  20. By what number should we multiply 3/(-14), so that the product may ...

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