1)11/18 - 5/12=11*2/36 - 3*5/36=22/36 -1 5/36=7/36
2)5/6 - 3/8=4*5/24 - 3*3/24=20/24 - 9/24=11/24
3) 16/25 - 4/15=16*3/75 - 5*4/75=48/75 - 20/75=28/75
4) 9/10 - 1/15=9*3/30 - 2*1/30=27/30 - 2/30=25/30=5/6
5) 9/16 - 11/24=9*3/48 - 2*11/48=27/48 - 22/48=5/48
6) 3/20 - 3/25=3*5/100 - 3*4/100=15/100 - 12/100=3/100
1.11/18-5/12=22/36-15/36=7/36
2.5/6-3/8=20/24-9/24=11/24
3.16/25-4/25=48/75-20/75=28/75
4.9/10-1/15=27/30-2/30=25/30=5/6
5.9/16-11/24=27/48-22/48=5/48
6.3/20-3/2=15/100-12/100=3/100
1)11/18 - 5/12=11*2/36 - 3*5/36=22/36 -1 5/36=7/36
2)5/6 - 3/8=4*5/24 - 3*3/24=20/24 - 9/24=11/24
3) 16/25 - 4/15=16*3/75 - 5*4/75=48/75 - 20/75=28/75
4) 9/10 - 1/15=9*3/30 - 2*1/30=27/30 - 2/30=25/30=5/6
5) 9/16 - 11/24=9*3/48 - 2*11/48=27/48 - 22/48=5/48
6) 3/20 - 3/25=3*5/100 - 3*4/100=15/100 - 12/100=3/100
1.11/18-5/12=22/36-15/36=7/36
2.5/6-3/8=20/24-9/24=11/24
3.16/25-4/25=48/75-20/75=28/75
4.9/10-1/15=27/30-2/30=25/30=5/6
5.9/16-11/24=27/48-22/48=5/48
6.3/20-3/2=15/100-12/100=3/100