Question

2 4/5 * 5/8-1 1/5 * 5/8

Answer 1

2 4/5*5/8-1 1/5*5/8=5/8*(2 4/5-1 1/5)=5/8*1 3/5=5/8*8/5=1

Answer 2

$frac{14}{5} times frac{5}{8} - frac{6}{5} times frac{5}{8} = 7 times frac{1}{4} - 3 times frac{1}{4} = frac{7}{4} - frac{3}{4} = 1$