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# A fraction of a whole number (easy) watch

1. Solved (thanks)
2. 'of' means 'times'. Write 15 as 15/1
3. 'of' means multiplication in this case so you need to work out:

4/9 x 15

You may prefer to read it like this:

4/9 x 15/1

Can you multiply two fractions together?
4. if you think of 15 as 15/1 then 4/9 * 15 is the same as (4*15)/9 which equals 60/9. Canceling down gives 20/3. (or 6.6 recurring)
5. Well the way I would think of 4/9 of 15m is (4*15)/9 -> 60/9

or alternatively (15/9)*4

EDIT:

(Original post by reaped)
if you think of 15 as 15/1 then 4/9 * 15 is the same as (4*15)/9 which equals 60/9. Canceling down gives 20/3. (or 6.6 recurring)
Well gosh. Great minds think alike?
6. Oh thanks a lot its just that our teacher never told us... Thanks!

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