5 7 8 15 9 July 8, 2019 16 32 64 128 4 5 of 7 15 8 9 Xii 4 5 of 7 15 8 9 4 5 7 15 of 8 9 simplify 4 5 7 15 x 8 9 6/5÷7/15 of 8/9 4 5 7 15 का 8 9