either 0725 or 1925
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53 = 1.25*102 in standard form
When a fraction is written in simplest form, it's easier to perform operations on that fraction. For instance, multiplying (1/5) and (2/3) is easier than multiplying (25/125) and (18/27).
The easiest way to do this is to put the number over 100, because percents are always referring to 100 right? 64/100 Simplest form, both numbers are even so divide by 2: 32/50 -> 16/25 So 16/25 is your answer. If you compute 16 divided by 25, you get .64, which is 64%.
25.3 = (2 x 10) + (5 x 1) + (3/10)
30.48 = 3012/25