1/2 = a half
.5 = a half
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The fraction 2/5 written as a decimal is 0.4
1 over 2 = 0.5 as a decimal and 50% as a percent
It is: 4/2 = 2/1 = 2.0 as a decimal but 2/4 = 1/2 = 0.5 as a decimal
2 and 1/8 as a decimal is 2.125
It is: 1/2 = 0.5