potionworld1 potionworld1
  • 10-12-2020
  • Mathematics
contestada

Lowest common multiple of 30 and 45

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YuutoKatou
YuutoKatou YuutoKatou
  • 10-12-2020

Answer:

90, see below :)

Step-by-step explanation:

Hello!

The best way to find LCM (lowest common multiple) is to first list the prime factorization. Then you multiply the ones that overlap once and then the different ones.

30: 2 * 3 * 5

45: 3 * 3 * 5

We can see 3 and 5 overlaps so we only multiply it once:

2 * 3

And then both times 3 and 5

6 * 5 * 3 = 90

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