СОКРАТИТЬ ДРОБИ . 4/10, 8/12, 6/9, 9/12; 2/8, 3/12, 10/2, 6/30; 15/60, 88/33, 2/100, 50/100.
4/10=2/5 8/12=2/3 6/9=2/3 9/12=3/4 2/8=1/4 3/12=1/4 10/2=5/1 6/30=2/10 15/60=1/4 88/33=8/3=2 2/3 2/100=1/50 50/100=1/2