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Simplify: 5/4-7/6-(-2)/3 (ii) (-2)/5-(-...

Simplify: `5/4-7/6-(-2)/3` (ii) `(-2)/5-(-3)/(10)-(-4)/7`

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RD SHARMA ENGLISH-OPERATIONS ON RATIONAL NUMBERS-All Questions
  1. What should be subtracted from (3/4-2/3) to get(-1)/6 ?

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  2. Simplify: (-3)/2+5/4+7/4 (ii) 5/3-7/6+(-2)/3

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  3. Simplify: 5/4-7/6-(-2)/3 (ii) (-2)/5-(-3)/(10)-(-4)/7

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  4. Fill in the blanks: (-4)/(13)-(-3)/(26)= (ii) (-9)/(14)+=-1

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  5. Fill in the blanks: (i) (-7)/9+( )=3 (ii) ( ) +(15)/(23)=4

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  6. Multiply: (i)3/4\ by 5/7 (ii) 3/7 by ((-4)/5)

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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