5+1/3
=(15+1)/3
=16/3
11+2/5
=(55+2)/5
=57/5
3+1/7
=(21+1)/7
=22/7
1+1/2
=(2+1)/2
=3/2
6+1/25
=(150+1)/25
=151/25
6+1/4
=(24+1)/4
=25/4