823 плиз решите!!!!!!!!!!

3 9/14        х--------- = -------2 1/7         1,52 1/7х = 3 9/14 * 1,515/7х = 51/14 * 15/1015/7х = 765/140х = 765/140 : 15/7х = 765/140 * 7/15х = 51/20      2 8/15        1,5--------- = --------3 4/5           z2 8/15z = 1,5 * 3 4/538/15z = 15/10 * 19/538/15z = 3/10 * 19/138/15z = 57/10z = 57/10 : 38/15z = 57/10 * 15/38z = 57/2 * 3/38z = 171/76 = 2,25 = 2 1/4