14-6/7=137/7-6/7=13 1/7
14 6/11 -6=8 6/11
14-9 9/14=13 14/14 -9 9/14=4 5/14
9 1/2-4 7/18=9 9/18- 4 7/18=5 2/18=5 1/9
8 2/3-2 5/7=6+2/3-5/7=6+14/21-15/21=6+ -1/21=6*21/21 - 1/21=5 20/21
28 11/17 +34 5/34=62+11/17+5/34=62+22/34+5/34=62 27/34
4 7/10+3 5/12=7+7/10+5/12=7+ 42/60+25 /60=7+ 67/60=8 7/60
5 3/4+3 8/9=8+27/36+32/36=8+59/36=9 23/36+6 3/18=15+23/36+6/36=15 29/36
9 11/12 +4 8/15=13+55/60+32/60=13+87/60=13+29/20=17 9/20-5 7/20=9+9/20-7/20=9+2/20=9 1/10