It is: 2/7 minus 5/8 is = -19/56
13 + 12 - 6 - 2 (16 plus 12 minus 6 minus 2) (13 + 12 = 25. 25 - 6 = 19. 19 - 2 = 17!
7/11 minus 2/5 is 13/55
2\5-7\8= -19\40
13/30
19/21 - 2/7 = 19/21 - 6/21 = 13/21
-1/19.
It is: 3/4 minus 2/9 = 19/36
It is: 2/7 minus 5/8 is = -19/56
13 + 12 - 6 - 2 (16 plus 12 minus 6 minus 2) (13 + 12 = 25. 25 - 6 = 19. 19 - 2 = 17!
7/11 minus 2/5 is 13/55
13 over 45
13 over 63.
2/3 is.
13/2 − 5/8 = 47/8 or 57/8
2\5-7\8= -19\40
13/30