2целые 2/7×2,4×1целую 5/9× 1 целую9/16

Question

2целые 2/7×2,4×1целую 5/9× 1 целую9/16

Answer 1

2 2/7×2,4×1 5/9×1 9/16=16/7×12/5×14/9×25/16
16/7×25/16=25/7
25/7×12/5=60/7
60/7×14/9=40/3=13 1/3