13/兄型闷36和11/24通分：羡弯13/36=13/(3x12)=(13x2)/(3x12x2)=26/72；11/24=11/租迟(2x12)=(11x3)/(2x12x3)=33/72。
13/36=(13×2)/(36×2)=26/7211/24=(11×3)/(24×3)=33/72
解：13/36＝13X2/世衫消36X2＝塌肢26/7211/24＝搜知11X3/24X3＝33/72
