Question

what is to be subtracted from 13/7 to get -3/5

Answer 1

Answer:

Let the number be = x

13/7- x = -3/5

-x = -3/5 - 13/7

lcm of 5,7= 35

-x = -3/5*35 - 13/7*35

-----------------------

35

-x = -21 - 65 / 35

cancel - on both the sides

x = 21+65 /35

x = 86/35 is the answer

Verificatiob

13/7 - 86/35)

13/7 - 86/35

lcm of 7,35 is 35

13/7*35 - 86/35*35

65/35 - 86/35

65- 86/35 = - 21 /35 ( cancel in 7 table)

= -3/5