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what is 1/9 x 3/5 ? watch

1. Sorry I can't find the maths forum.
2. (Original post by sully50sully)
Sorry I can't find the maths forum.
A calculator is the easiest way.
Alternatively:
3. (Original post by sully50sully)
Sorry I can't find the maths forum.
Erm, this is the maths forum.

Can you now simplify (cancel as appropriate) and finish it?
4. (Original post by joostan)
A calculator is the easiest way.
Alternatively:
I need to do it without a calculator for my exam, I got 3/45 but it's wrong on my maths
5. (Original post by sully50sully)
I need to do it without a calculator for my exam, I got 3/45 but it's wrong on my maths
It's correct so far, but you can cancel a factor from the top and bottom.
6. 1/15

do 3x1 for the numerator and 5x9 for the denominator and you get 3/45 you can simply after that
7. (Original post by yaboy)
1/15

do 3x1 for the numerator and 5x9 for the denominator and you get 3/45 you can simply after that
how do you simplify after that to get 1/15?
8. (Original post by sully50sully)
how do you simplify after that to get 1/15?
As ghostwalker says, divide the top and bottom of the fraction by a common factor -
Spoiler:
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in this case 3.
9. (Original post by sully50sully)
how do you simplify after that to get 1/15?

On post 3 you can see 3 and 9 can cancel
10. (Original post by sully50sully)
how do you simplify after that to get 1/15?
It can be easier to simplify just after doing , but before actually calculating etc; in this case, - do you see why?

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