87.2 = 87.2 / 1 = 872 / 10 = 436 / 5
or
87.2 = 87 + 0.2 = 87 + 1/5 (fraction notation is without the "+")
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0.872 = 872/1000 or 109/125 in fraction
87.2 percent = 0.872 = 872/1000 = 436/500=218/250=109/125
0.2 is equivalent to 20/100 = 2/10 as a fraction. Therefore the given number is equivalent to 87 + 2/10 = 872/10.
0.0138
No. 872 is not evenly divisible by nine.