1 4/9×1 5/13-2 1/12×4/15

Question

1 4/9×1 5/13-2 1/12×4/15

Answer 1

1) 1 4/9 • 1 5/13 = 13/9 • 18/13 = 2
2) 2 1/2 • 4/15 = 5/2 • 4/15 = 2/3
3) 2 - ( 2/3 ) = 1 1/3