# Find first three common multiples of:

(a) 6 and 8

(b) 12 and 18

**Solution:**

We will be using the concept of multiples to solve this.

(a) Given numbers are 6 and 8.

The first few multiples of 6 are: 6, 12 ,18, 24, 30, 36, 42, 48, 54, 60, 66, 72, 78....

Similarly, the multiples of 8 are: 8, 16, 24, 32, 40, 48, 56, 64, 72, 80.....

Hence, the first three common multiples of 6 and 8 are 24, 48 and 72.

(b) Given numbers are 12 and 18.

The first few multiples of 12 are: 12, 24, 36, 48, 60, 72, 84, 96, 108, 120.....

Similarly, the multiples of 18 are: 18, 36, 54, 72, 90, 108, 126.....

Hence, the first three common multiples of 12 and 18 are 36, 72 and108.

NCERT Solutions for Class 6 Maths Chapter 3 Exercise 3.4 Question 3

## Find first three common multiples of (a) 6 and 8 (b) 12 and 18

**Summary:**

(a) The first three common multiples of 6 and 8 are 24, 48 and 72. (b) The first three common multiples of 12 and 18 are 36, 72 and 108.

**ā Related Questions:**

- Write All The Numbers Less Than 100 Which Are Common Multiples Of 3 And 4
- Which Of The Following Numbers Are Co Prime A 18 And 35 B 15 And 37 C 30 And 415 D 17 And 68 E 216 And 215 F 81 And 16
- A Number Is Divisible By Both 5 And 12 By Which Other Number Will That Number Be Always Divisible
- Find The Common Factors Of A 20 And 28 B 15 And 25 C 35 And 50 D 56 And 120

visual curriculum