- 1 11/14 : (- 2 1/7) + 15/28 : (- 9/35) - (- 1 5/16) : 3 3/8 = ?

Question

- 1 11/14 : (- 2 1/7) + 15/28 : (- 9/35) - (- 1 5/16) : 3 3/8 = ?

Answer 1

1) -1 11/14: (-2 1/7)=25/14:15/7=25/14*7/15=5/6
2) 15/28: (-9/35)= 15/28 * (-35/9)= -25/12
3) - 1 5/16:3 3/8= -21/16:27/8= -21/16 * 8/27= - 7/8
4) 5/6+ (-25/12) - (-7/18)=5/6-25/12+7/8=30/36 - 75/36+14/36= - 31/36
Ответ: -31/36