1/7+3/8+7/36+29/56+37/63+41/72+53/77+29/84+3/88
=(1/7+3/8+29/56)+37/63+(7/36+41/72)+53/77+29/84+3/88
=1+(1/28+29/84)+37/63+55/72+53/77+3/88
=1+32/84+37/63+55/72+53/77+3/88
=1+61/63+55/72+53/77+3/88
=1+488/504+385/504+424/616+21/616
=1+1+369/504+445/616
=2+41/56+445/616
=2+451/616+445/616
=2+1+280/616
=3+5/11=3又5/11