One and six over seven is already a fraction.
It is: 6/7 = 12/14
3/7 = 6/14
37/7
14
32/7
19/7
4/7ths plus 4/7ths equals 8/7ths. This would be 1 and 1/7th
3 6/7 means that there is 7 3 times and 6 7ths of a seven. So you multiply 7*3 which would equal 21 and add 6 to that which equals 27. Then you would put that number over 7 to make 27/7.
3/2
1 and 1 tenth as a fraction is 11/10
For a mixed fraction of the form XY/Z the improper form is (XZ + Y)/Z So 26/7 = (2*7 + 6)/7 = 20/7
18