1) 6+4 9/11=6+ 36/11=66+36/11=102/11
2) 11/14+9 3/7=11/14+27/7=11+54/14=65/14
3) 5/7+3 1/4=5/7+3/4=20+21/28=41/28
4) 7-5 1/4=7-5/4=28-5/4=23/4
5) 6-5 2/3=6-10/3=18-10/3=8/3
6) 12-9 3/8=12-27/8=96-27/8=69/8
7) 11-6 2/3=11-2*2=11-4=7
8) 8-3 2/7=8-6/7=56-6/7=50/7
9) 6 6/13-2= 36/13-2=36-26/13=10/13
10) 9 3/10-4= 27/10-4=27-40/10=-13/10
11) 2 3/14-1=3/7-1=3-7/7=-4/7