Question

What should be added to the sum of 13/15 and 27/20 to get 91/60.
Pls answer fast and pls show the working also.Correct answers only pls

Answer 1

Answer:

- 42/60 or - 21/30

Step-by-step explanation:

13/15 + 27/20 + x = 91/60

x = 91/60 - 13/15 - 27/20

x = 91 - 52 - 81/60 (LCM)

x = -42/60

(both are divisible by 2 so we get -21/30)