(9 out of 16 + 9 out of 32-3 out of 8) * 4 out of 3 is calculated by simple algorithm, 11 out of 15 is divided by 7 + 1 out of 7 * 4 out of 15 is calculated by simple algorithm

(9 out of 16 + 9 out of 32-3 out of 8) * 4 out of 3 is calculated by simple algorithm, 11 out of 15 is divided by 7 + 1 out of 7 * 4 out of 15 is calculated by simple algorithm

(9 / 16 + 9 / 32-3 / 8) * 4 / 3
=9/16*4/3+9/32*4/3-3/8*4/3
=3/4+3/8-1/2
=6/8+3/8-4/8
=5/8
11 out of 15 divided by 7 + 1 out of 7 * 4 out of 15
=11/15*1/7+4/15*1/7
=1/7*(11/15+4/15)
=1/7*1
=1/7