Simple calculation of 3 / 5 * (3 / 10-2 / 15) + 5 / 8

Simple calculation of 3 / 5 * (3 / 10-2 / 15) + 5 / 8


3/5*(3/10-2/15)+5/8
=3/5*(3/10-2/15)*5*30/150+5/8
=3*(3*3-2*2)/150+5/8
=1/10+5/8
=0.1+0.625
=0.725