约分题50道及答案

1.108/12＝9/10 2.500/120=25/6 3.21/15=7/5 4.80/32=5/2 5.5/25=1/5 6.20/40=1/2 7.8/56=1/7 8.14/20=7/10 9.23/46=1/2 10.31/62=1/2 11.16/48=1/3 12.30/4=15/2 13.48