yes, 1/2 equals 0.5
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1 2 in decimal form is 0.50.
3.5 is a decimal. We can write it as a fraction by noticing the .5 is the same as 1/2 so 3.5 is 3 and 1/2 as a mixed number or 7/2.
19 1/2 as a decimal is 19.5.
2/5 equals 0.4 as a decimal
(2/1)/45?? Just go in order. (2/1)=2 so this makes the equation 2/45 by substituting (2/1) with 2. 2/45 = .04444444~ in decimal form. (2/1)/45?? Just go in order. (2/1)=2 so this makes the equation 2/45 by substituting (2/1) with 2. 2/45 = .04444444~ in decimal form.