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Evaluate : (ii) (2)/(3)+(-4)/(5)+(1)/(...

Evaluate :
(ii) `(2)/(3)+(-4)/(5)+(1)/(3)+(2)/(5)`

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ICSE-RATIONAL NUMBERS-Exercise 1(A)
  1. Evaluate : (ix) (4)/(-9)+1

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  2. Evaluate : (i) (3)/(7)+(-4)/(9)+(-11)/(7)+(7)/(9)

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  3. Evaluate : (ii) (2)/(3)+(-4)/(5)+(1)/(3)+(2)/(5)

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  4. Evaluate : (iii) (4)/(7)+0+(-8)/(9)+(-13)/(7)+(17)/(9)

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  5. Evaluate : (iv) (3)/(8)+(-5)/(12)+(3)/(7)+(3)/(12)+(-5)/(8)+(-2)/(7)

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  6. For each pair of rational numbers, verify commutative property of addi...

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  7. For each pair of rational numbers, verify commutative property of addi...

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  8. For each pair of rational numbers, verify commutative property of addi...

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  9. For each pair of rational numbers, verify commutative property of addi...

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  10. For each pair of rational numbers, verify commutative property of addi...

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  11. For each pair of rational numbers, verify commutative property of addi...

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  12. For each set of rational numbers, given below, verify the associative ...

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  13. For the set of rational numbers, given below, verify the associative p...

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  14. For each set of rational numbers, given below, verify the associative ...

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  15. For each set of rational numbers, given below, verify the associative ...

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  16. Write the additive inverse (negative) of : (i) (-3)/(8)

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  17. Write the additive inverse (negative) of : (ii) (4)/(-9)

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  18. Write the additive inverse (negative) of : (iii) (-7)/(5)

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  19. Write the additive inverse (negative) of : (iv) (-4)/(-13)

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  20. Write the additive inverse (negative) of : (v) 0

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