Question 183989
 how do i solve 5/8 x 18? the answer is 11 1/4 but i don't get how to do it. 
is it 5/8 x 1/18 or x18/1 so then is it 90/144 or 144/8 
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Multiply the NUMs and the DENs.  18 is 18/1
So it's 5*18/8*1 = 90/8
Reduce it to 45/4
Then you can call it 11 1/4, tho there's no good reason to do that.