Question

-1+(3/4-1/3)/(2-1/4)

Answer 1

-1+(3/4-1/3)/(2-1/4) =

[-1 + (9-4) /12 ] / (2 - 1/4) =

-1 + 5 /12  / (2 - 1/4) =

-7 /12  / (2 - 1/4) =

(-7 /12)  / (7/4) =

(-7×4) / 12×7 =

-28 / 84 =

-1/3=