Expressed as a vulgar fraction in its simplest form, 45 percent is equal to 9/20, or nine twentieths. Expressed as a decimal fraction, 45 percent is equal to 0.45.
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per cent means 1/100th
4.5 % = 4.5 x 1/100 = 4.5/100 or 45/1000 reduced by 5/5 =9/200
45% = 45/100 in fraction
45% = 9/20 as a fraction in its lowest terms
45 percent is 45/100, which simplifies to 9/20
45 percent
-45% = -45/100 = -9/20