3 1/3÷2/3×1/5=10/3×1/5÷2/5=5/3×3/2=5/2=2 1/2; 4/5×2 1/2÷6=4/5×5/2÷6=4/5×5/2÷6=2/1×1/6=1/3; 26÷3 1/4×1/16=26÷13/4×1/16=1/26×13/4×1/16=8/1×16/1=1/2; 1 1/7×3/4÷3/10=8/7×3/4÷3/10=6/7×10/3=20/7=2 6/7; 3 1/5×5/8÷2/7=10/3×8/5÷2/7=40/3×7/2=140/3=2 3/46; 4 1/8×6/11÷2 1/4=33/8×11/6÷9/4=66/8×4/9=7/2=1 2/3