Question

A,B,C,D and E went to a restaurant for dinner.A paid 1/2 of the bill, B paid 1/5 of the bill was shared equally shared between C , D and E.what fraction of bill were paid by each?

Answer 1

Fraction of bill  paid by A - 1/2

 Fraction of bill paid by B = 1/5

Total fraction paid by A and B = 1/2 + 1/5

                                                 L.C.M. OF 2 AND 5 = 10

                                                  =1/2*5/5 and 1/5*2/2

                                                  = 5/10 and 2/10 = 7/10

Total fraction of the bill =10/10

Left fraction of the bill = 10/10 - 7/10

                                    = 3/10

So 3/10 divided amongst or by 3 (C,D&E)

                                                   = 1/10

Therefore C,D AND E paid 1/10 of the bill 

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Answer 2

Answer:

1/10 part was shared by each of 3