Question

calcule: 1/2-1/3+5/6-3/4=

Answer 1

   1/2 - 1/3 + 5/6 - 3/4 = --------mmc(2,3,4,6) = 12
   6/12 - 4/12 + 10/12 - 9/12 = 3/12 = 1/4 

Answer 2

  1/2 - 1/3 + 5/6 - 3/4 = --------mmc(2,3,4,6) = 12

  6/12 - 4/12 + 10/12 - 9/12 = 3/12 = 1/4