1/2×1/3 ; 3/8×3/4; 2/5×3/4; 9×1/10; 5/7×2; 1/6×5/7; 7/10×3/4; 3/7×2/5
1/2×1/3=1/6 3/8×3/4=9/32 2/5×3/4=6/20=3/10=0.3 9×1/10=9/10=0.9 5/7×2=10/7=1 3/7 1/6×5/7=5/42 7/10×3/4=21/40 3/7×2/5=6/35