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Subtract the first rational number from ...

Subtract the first rational number from the second in each of the following :
(i)`3/8,5/8`

(ii) `(-7)/9,4/9`

Text Solution

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(i)`3/8,5/8`
`=5/8-3/8`
Having same denominator,
`=(5-3)/(8)`
`=2/8`
`=1/4`

(ii) `(-7)/9,4/9`
`=4/9-(-7/9)`
Having same denominator,
`=(4+7)/(9)`
`=11/9`
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RD SHARMA-RATIONAL NUMBERS-All Questions
  1. What number should be added to (-5)/8 so as to get 5/9\ ?

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

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  3. Subtract the first rational number from the second in each of the foll...

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

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

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

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

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  8. Evaluate each of the following: (i)-2-5/9 (ii) (-3)/(-8)-(-2)/7 ...

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  9. Evaluate each of the following: (i)(-5)/(14)-2/7 (ii) (13)/(15)-(12)...

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  10. Evaluate each of the following: (i)7/(24)-(19)/(36) (ii) 5/(63)-(-8)...

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

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

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  13. The sum of two numbers is (-4)/3 . If one of the numbers is -5 , find ...

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

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

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  16. What should be added to (-5)/(11) so as to get (26)/(33)\ ?

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  17. What number should be added to (-5)/7 to get (-2)/3?

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  18. What number should be subtracted from (-5)/3 to get 5/6?

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  19. What number should be subtracted from 3/7 to get 5/4?

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  20. What should be added to (2/3+3/5) to get (-2)/(15) ?

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