Вычислите: 14/15+5/9−23/45 1/2+1/4−1/6

14/15 + 5/9 - 23/45 = 42/45 + 25/45 - 23/45 = 44/45,

1/2 + 1/4 - 1/6 = 6/12 + 3/12 - 2/12 = 7/12

1) 44

45
2)7

12