Question

Anil has 2 by 7 of a cake he ate 4 by 7 of it what part of the cake has been eaten

Answer 1

Anil has 2/3cake
He ate 4/7 cake
Cake eaten by him = 2/3 - 4/7
= (14-12) / 21
= 2/21
Option b

Answer 2

2/21 is the answer, because the equation formed will be x=2/3x-4/7x