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Simplify each of the following and ex...

Simplify each of the following and express the result as a rational number in standard from: `(-19)/(36)xx16` (ii) `(-13)/9xx(27)/(-26)`

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RD SHARMA-OPERATIONS ON RATIONAL NUMBERS-All Questions
  1. Multiply: (-8)/(25) by (-5)/(16) (ii) 6/7 by (-49)/(36)

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

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

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

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  5. Simplify: ((13)/9xx(-15)/2)+(7/3xx8/5)+(3/5xx1/2) (3/(11)xx5/6)-(9/...

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  6. Write the reciprocal of each of the following rational numbers: 7 ...

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  7. Write the reciprocal of each of the following rational numbers: 2/5...

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

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

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

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

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

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  13. Divide: 1 by 1/2 (ii) 5\ b y\ (-5)/7

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  14. Divide: (-3)/4\ b y9/(-16) (ii) (-7)/8\ b y\ (-21)/(16)

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  15. Divide: 7/(-4)\ b y(63)/(64) (ii) 0\ b y\ (-7)/5

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  16. Divide: (-3)/4\ b y-6 (ii) 2/3\ b y\ (-7)/(12)

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  17. Find the value and express as a rational number in standard form: 2...

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  18. Find the value and express as a rational number in standard form: -...

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  19. The product of two rational number is 15. If one of the numbers is ...

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  20. The product of two rational numbers is (-8)/9dot if one of the numb...

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