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# how do you find a fraction of a whole number in 3/4 x 20??

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- PerdendosiLv 71 decade ago
You take 20 as 20/1 -- when you multiply, you just multiply across and simplify.

3/4 x 20/1 = 60/4 (simplify down) 60/4 = 30/2 = 15/1 = 15!

(You can also do this neat trick ... you can divide the whole number by the denominator (bottom number) of the fraction and then multiply by the top number of the fraction. This is especially helpful if the denominator divides into the whole number without a remainder. It does here -- 20 divided by 4 is 5. 5 times 3 is 15. 3/4 of 20 is 15!)

- 1 decade ago
YOU PUT 20/1 then times 20/1 x 3/4 which is 60/4 then reduce it to 15/1 which would make it a whole 15. thank you.

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