Question

(43 целых 7/18 - 5 целых 2/9 ) - 12 целых 8/27

Answer 1

43 7/18=(774+7)/18=781/18
5 2/9=(45+2)/9=47/9
12 8/27=(324+8)/27=332/27

1)781/18-47/9=(781-47*2)/18=(781-94)/18=687/18=229/6
2)229/6 -332/27=(229*9-332*2)/54=(2061-664)/54=1397/54=25 целых 47/54