Question

(2/3+-4/5+7/15+-11/20)=?

Answer 1

Answer:

40/60 - 48/60 + 28/60 - 33/60

= -13/60

Answer 2

Answer: -13/60

2/3 + (-4/5) + 7/15 + (-11/20)

= 2/3 - 4/5 + 7/15 - 11/20

Now, on taking LCM of 3, 5, 15 & 20

We get = 60

= (40 - 48 + 28 - 33)/60

= -13/60 _____________ (Ans.)

Hope it helps.

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