Question

which one of the following fractions should be subtracted from 9/15 such that the difference becomes 11/20? (A)1/15 (B)1/20 (C)1/30 (D)1/60 (E)None of these​

Answer 1

Answer:

Step-by-step explanation:

9/15 - 1/20

= 9x4/15x4 - 1x3/1x20

=36/60 - 3/60

33/60

=11/20 (B)

Answer 2

Step-by-step explanation:

let the fraction=x

according to question

9/15-x=11/20

-x=11/20-9/15

-x=(11×3-9×4)

________

60

-x=33-36/60

-x=-3/60

x=1/20

option b is the answer