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First off, someone commented, to use Reddit but I can't use Reddit (don't worry why). Also Thank you to whoever helped me with my last question. Moving on, I'm in a split class and we are talking about factors and multiples. So I learn that last year but my teacher had a hard time with the online thing. So I'm confused now, and this year's teacher focused on the younger grade right now.
I need a way to find the common multiples in numbers that the multiples are big. For example, find the first 3 common multiples of 16, 21. I know that the answer is 336, 672, and 864 but what an easy way to find these answers. Please and thank you.
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ReplyHow to get 336 is to multiply 21 by 16 by multiplying 6 by 1 = 6, 6 by 2 = 12, then put 0 under the 6 and 1 by 1 = 1, 1 by 2 = 2 then 126 + 210 = 336.
ReplyDo it like this: 21 X
6 = 126
21 x 1= 210 and add together.
Reply