14-13.2:(3 11/21-2 14/5)

Question

14-13.2:(3 11/21-2 14/5)

Answer 1

14-13.2:(3 11/21-2 14/5) = -217

 

1) 3 11/21 - 2 14/5 = 3 55/105 - 2 154/105 = 2 160/105 - 2 154/105 = 6/105 = 2/35

2) 13.2 : 2/35 = 13 1/5 : 2/35 = 66/5 : 2/35 = 66/5 · 35/2 = 231

3) 14 - 231 = -(231 - 14) = -217