Question

5) Find
a)-3/-11 + 5/9
d)-6/13-(-7/15)​

Answer 1

a) -3/-11 + 5/9

LCM = -11 or 9

= 99

-3×9/-11×9 = 27/-99

5×11/9×11= 55/99

27/-99 + 55/99

82 ( -99 or 99 aapse m kt gye isliye nhi toh answer 82/99 hota)

b) -6/13 - -7/15

LCM = 195

-6×15/3×15 = 90/195

-7×3/15×3 = -21/195

90-(-21)/195 ( -, - = +)

111/195

Answer 2

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