Question

fill in the boxes 1/2-?=1/6

Answer 1

1/3 fill in the box

Answer 2

let the missing number be x
1/2 - x = 1/6
-x = 1/6 - 1/2
LCM of 6 & 2 is 6
-x =1-3 /6
-x = -2/6
-x = -1/3
- & - are cancelled
x = 1/3
to verify,
1/2 - 1/3 = 1/6
3-2/6 = 1/6
1/6 = 1/6 it is verified