Question

21. Find the least common multiple.

20 and 12
O 32
0 20
OOO
0 60
240

Answer 1

Multiples of 20:

20, 40, 60, 80, 100...

Mutiples of 12:

12, 24, 36, 48, 60, 72...

As you can see, 60 is the lowest common multiple in both numbers.

So, the answer is 60

Hope this helps!