Other skillsGrade 5
Least Common Multiple practice
Find the least common multiple of two numbers, such as 15 and 12: 60.
Example problems
15
and
12
of
LCM
＝
6
0
18
and
6
of
LCM
＝
1
8
18
and
24
of
LCM
＝
7
2
How a practice round works
A round has 10 problems from this skill. Type the digits into the dotted boxes; if a digit is wrong, you simply try again. Get 5 of your last 6 problems right on the first try to master the skill, then keep practicing to earn up to three stars.