Simple calculation of (24 / 19 + 16 / 17) x12.5% + 15 / 17

Simple calculation of (24 / 19 + 16 / 17) x12.5% + 15 / 17

=24/19*1/8+16/17*1/8+15/17
=3/19+2/17+15/17
=3/19+(2/17+15/17)
=3/19+1
=1 and 3 / 19