(8 и 7/12 - 2 и 17/36) * 2.7 - 4 и 1/3

(8 и 21/36 - 2 и 17/36) * 2.7 - 4 и 1/3

6 и 4/36 * 2.7 - 4 и 1/3

55/9 * 2.7 - 4 и 1/3

1485/90 - 4 и 1/3

16 и 1/2 - 4 и 1/3

16 и 3/6 - 4 и 2/6

12 и 1/6 : 0.65 = 73/6 : 65/100 = 7300/390 = 18 и 280/390= 18 и 28/39