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Add the following rational numbers : (i...

Add the following rational numbers :
(i)`(12)/(7)` and `(3)/(7)` :
(ii) `(-2)/(5)` and `(1)/(5)`
(iii) `(3)/(8)` and `(1)/(8)`
(iv) `(-5)/(11)` and `(7)/(-11)`
(v) `(9)/(-13)`and `(-11)/(-13)`
(vi) `(-2)/(9)`and `(5)/(9)`
(vii) `-(17)/(9)` and `(-11)/(9)`
(viii) `(-3)/(7)` and `(5)/(-7)`

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Add the following rational numbers: (i) -2/3 and 3/4 , (ii) -4/9 and 5/6 , (iii) -5/18 and 11/27 (iv) -7/12 and -5/24 , (v) -1/18 and -7/27 , (vi) 21/(-4) and -11/8

Evaluate : (i) (3)/(4)-(4)/(5) (ii) -3-(4)/(7) (iii) (7)/(24)-(19)/(36) (iv) (14)/(15)-(13)/(20) (v) (4)/(9)-(2)/(-3) (vi) (7)/(11)- (-4)/(-11) (vii) (-5)/(14) -(-2)/(7) (viii) (-5)/(-8)-(-3)/(4)

Subtract : (i) (3)/(4) from (1)/(3) (ii) (-5)/(6) from (1)/(3) (iii) (-8)/(9) from (-3)/(5) (iv) (-9)/(7) from -1 (v) (-18)/(11)from1 (vi) (-13)/(9) from0 (vii) (32)/(13) from (-6)/(5) (viii) -7 from (-4)/(7) (ix) (5)/(9) from (-2)/(3) (x) 5 from (-3)/(5)

Convert each of the following Into an improper fraction: (i) 5(5)/(7) (ii) 9(3)/(8) (iii) 6(3)/(10) (iv) 3(5)/(11) (v) 10(9)/(14) (vi) 12(7)/(15) (vii) 8(8)/(13) (viii) 51(2)/(3)

Verify the following: (i) (-12)/(5)+(2)/(7)=(2)/(7)+(-12)/(5) (ii) (-5)/(8)+(-9)/(13)= (-9)/(13)+(-5)/(8) (iii) 3+(-7)/(12)=(-7)/(12)+3 (iv) (2)/(-7)+(12)/(-35)=(12)/(-35)+(2)/(-7)

Solve (i) 2-(3)/(5)(ii)4+(7)/(8)(iii)(3)/(5)+(2)/(7)(iv)(9)/(11)-(4)/(5)(v)(7)/(10)+(2)/(5)+(3)/(2)(vi)(2)(2)/(3)+(3)(1)/(2) (vii) (8)(1)/(2)-(3)(5)/(8)