0.125
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One-eighth (1/8) is not irrational because it can be expressed exactly in decimal notation. 1/8=.125
1/8:= 1 ÷ 8= 0.125 in decimal= 0.125 * 100%= 12.5%
Expressed as a proper fraction in its simplest form, 1/8 / 9 = 1/72 or one seventy secondth. Expressed as a decimal, this is equal to 0.0138 recurring (that is, 0.0138888...)
1.8
It is 0.00125.