Three eights of the cast in a musical have to sing. What fraction of the cost does not have to sing?

Answer 1

(8/8) - (3/8) = 5/8

Answer 2

Well you have to do is 2x3= and then do the same thing with 8 2x8=.

Answer 3

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Answer 4

My answer is 3/8 because 3/8 is a halve and 3/8+3/8=6/8 and 6/8 is also a halve

Answer 5

I got 6/16 because 3x2 equals 6 and 8x2 equals 16