( 1 7/18 - 1 17/30) * 25 + 2 2/9* 2,7

Question

( 1 7/18 - 1 17/30) * 25 + 2 2/9* 2,7

Answer 1

1) 1 7/18 - 1 17/30 = 1 35/90 - 1 51/90 = - 16/90 = - 8/45
2) - 8/45 • 25 = - 40/9 = - 4 4/9
3) 2 2/9 • 2,7 = 20/9 • 27/10 = 6
4) - 4 4/9 + 6 = - 4 4/9 + 5 9/9 = 1 5/9
Ответ 1 5/9