Question

(2 1/2×2 1/2)×8/15-5/9

Answer 1

6 1/4*8/15-5/9=3 1/3-5/9=2 7/9

Answer 2

(2 1/2*2 1/2)*8/15-5/9=5/2*5/2*8/15-5/9=25/4*8/15-5/9=10/3-5/9=30/9-5/9=25/9