Question

5/6 = 1/3+d and x/x is a fraction

Answer 1

`(1)/(3)+d=(5)/(6)\qquad|-(1)/(3)\\\\d=(5)/(6)-(1)/(3)\\\\d=(5)/(6)-(1\cdot2)/(3\cdot2)\\\\d=(5)/(6)-(2)/(6)\\\\d=(5-2)/(6)\\\\d=(3)/(6)\\\\d=(3:3)/(6:3)\\\\\boxed{d=(1)/(2)}`