4 5/12-1 1/2:(2 1/6 + 8/15)* 1 4/5

Question

4 5/12-1 1/2:(2 1/6 + 8/15)* 1 4/5

Answer 1

4 5/12-1 1/2:(2 1/6 + 8/15)* 1 4/5=53/12 - 3/2:(13/6 + 8/15)* 9/5 = 53/12 - 3/2:(65/30 + 16/30)*9/5 = 53/12 - 3/2:81/30*9/5 =
= 53/12 - 3/2:81/30*9/5 =53/12 - 3/2*30/81*9/5 = 53/12 - 1 = 53/12 - 12/12 = 41/12 =
= 3 5/12