what is 2 1/8- 1 2/7
what is 2 1/8- 1 2/7 = 47/56
its -1 6/56
2 1/8- 1 2/7 =
17 / 8 - 9 / 7 getting a common denominator of 56, we have
119/56 - 72 / 56 =
47 / 56