7/(22*29)=1/22-1/29
6/16*22=1/16-1/22
5/11*16=1/11-1/16
4/7*11=1/7-1/11
3/4*7=1/4-1/7
2/2*4=1/2-1/4
1/1*2=1-1/2
7/22*29+6/16*22+5/11*16+4/7*11+3/4*7+2/2*4+1/1*2
=1-1/2+1/2-1/4+.+1/22-1/29
=1-1/29
=28/29