Question

Find the least number of books needed so that bundles of 12,15 and 18 books can be made

Answer 1

Answer:

simple find the LCM

$12 = {2}^{2} \times 3 \\ 15 = 3 \times 5 \\ 18 = 2 \times {3 }^{2}$

LCM=

${2}^{2} \times {3}^{2} \times 5 = 180$