how is 5/4 * 8 = 10?  Show me.

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5/4 * 8 = 5/4 *4 * 2 = 5* 4/4 * 2 = 5*1*2 = 10

5/4 is multiplied by 8, in fraction form it is 8/1.  As a result 5 times 8 equals 40 as the numerator.  4 times 1 gives us 4 as the denominator.  Finally the numerator divided by the denominator results in our final answer of 4.5 * 8      40      4-    -   =   -  =   -  =  44    1        4      1

5/4 = 1.251.25 * 8 = 10