if 3 / p = 6 and 3 / q = 15 then p – q = ?
explanation : 3 p 3 p = 6 , p = 3636 = 1212 and 3 q 3 q = 15 , q = 315315 = 1515 then p – q = 1 / 2 – 1 / 5 = 3 / 10 answer : d
subtract(divide(3, 6), divide(3, 15))