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Free Lowest Common Multiple Worksheets — Grade 7
A ready-to-print lowest common multiple worksheet for grade 7, with a sample generated by the worksheet studio. Print it as it is, or change the numbers, the number of questions and the difficulty first — it takes about a minute.
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Lowest Common Multiple — Grade 7
1Lowest Common Multiple math.lcm
How to do these
14, 23 → 322
- List the multiples of each number — the times table of each.
- The smallest number that appears in every list is the answer.
Find the LCM of each set.
1.LCM(5, 8) =
2.LCM(7, 20) =
3.LCM(11, 19) =
4.LCM(2, 17) =
5.LCM(30, 30) =
6.LCM(19, 22) =
7.LCM(4, 23) =
8.LCM(7, 3) =
9.LCM(9, 21) =
10.LCM(13, 16) =
How to do these
14, 23 → 322
- List the multiples of each number — the times table of each.
- The smallest number that appears in every list is the answer.
Written for whoever is helping, not for the child. Maths methods have changed since most of us were at school, and this is the method the questions above actually use.
What you can change
| Setting | Options |
|---|---|
| How many numbers | 2 to 3 |
| Numbers up to | 5 to 50 |
| Questions | as few or as many as fit |
Plus text size, line spacing, questions per page and boxed digit columns if writing is hard.
How the answer key is madeEvery question on this page is worked out by the generator, and the answer key is produced from the same calculation. The questions and answers are generated together; preview the sheet before printing.