Question

Two numbers are in ratio 3:4. if their lcm is 180 , find thire sum

Answer 1

$let \: the \: number \: be \: x \\ 3x + 4x = 180 \\ \\ 7x = 180 \\ x = \frac{180}{7} \\ x = 25.71(approx) \\ \\ so. \: 3x = 3 \times 25.71 = 77.13(approx) \\ \\ 4x = 4 \times 25.71 = 102.84(approx)$