the ratio of numbers is 3 : 4 and their h . c . f is 4 . their l . c . m is :
"let the numbers be 3 x and 4 x . then their h . c . f = x . so , x = 4 . so , the numbers are 12 and 16 . l . c . m of 12 and 16 = 48 . answer : d"
lcm(multiply(3, 4), multiply(4, 4))