
The given angles forms linear pair, and we know the angles forming linear pair are supplementary,
Therefore,
Angle MHJ + Angle MHL = 180°
Let's solve :
Value of variable m = 10°

5/12 is your answer to 5/6 times 1/2
The quotient of 675 and 5 would be 135.
675/5=135
Hope this helps!