Question

1/4 of a number subtracted from 1/3 of number gives 12 then the number is?

Answer 1

let the number be x
1/3*x-1/4*x=12
x/3-x/4=12
LCM of 4,3=12
4x/12-3x/12=12
x/12=12
x=12*12
x=144