设它们分子是5x和11x,分母是3y和7y
5x/3y+11x/7y=1+125/147
35x/21y+33x/21y=1+125/147
68x/21y=272/147
68x=272
x=4
21y=147
y=7
5x=5*4=20
3y=3*7=21
11x=11*4=44
7y=7*7=49
这两个分数是:20/21和44/49
设它们分子是5x和11x,分母是3y和7y
5x/3y+11x/7y=1+125/147
35x/21y+33x/21y=1+125/147
68x/21y=272/147
68x=272
x=4
21y=147
y=7
5x=5*4=20
3y=3*7=21
11x=11*4=44
7y=7*7=49
这两个分数是:20/21和44/49