1) 7 14/15 + 2 1/15 = 7 + 2 + 14/15 + 1/15 = 9 + 15/15 = 9 15/15 = 10
2) 9 24/27 + 12 13/27 = 9 + 12 + 24/27 + 13/27 = 21 + 37/27 = 22 10/27
3) 1 - 12/19 = 1 - 0.631578947368421 = 0.368421052631579
4) 8 - 3 6/15 = 8 - 3 - 6/15 = 5 - 0.4 = 4.6
5) 12 - 11 6/11 = 12 - 11 - 6/11 = 1 - 6/11 = 1 - 0.5454545454545455 = 0.4545454545454546
1) 7 14/15 + 2 1/15 = 7 + 2 + 14/15 + 1/15 = 9 + 15/15 = 9 15/15 = 10
2) 9 24/27 + 12 13/27 = 9 + 12 + 24/27 + 13/27 = 21 + 37/27 = 22 10/27
3) 1 - 12/19 = 1 - 0.631578947368421 = 0.368421052631579
4) 8 - 3 6/15 = 8 - 3 - 6/15 = 5 - 0.4 = 4.6
5) 12 - 11 6/11 = 12 - 11 - 6/11 = 1 - 6/11 = 1 - 0.5454545454545455 = 0.4545454545454546