It is two and two tenths.
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22.087
-2.2 is, itself, a fraction. It is a fraction in decimal form rather than in the form of a ratio. However, that does not stop it being a fraction. Its equivalent, in rational form, is -22/10. You can simplify this rational fraction if you so wish.
$0.225 22.5 cents
To write 0.22 as a fraction, you first identify that it is a decimal number. Since there are two digits after the decimal point, you can write 0.22 as 22/100. To simplify this fraction, you can divide both the numerator and denominator by their greatest common factor, which is 2. Therefore, 0.22 can be written as 11/50 in its simplest form.
Oh, what a happy little question! To write 0.88 as a percent, you simply move the decimal point two places to the right, giving you 88%. To write it as a fraction in simplest form, you can express 0.88 as 88/100, and then simplify by dividing both the numerator and denominator by 4, giving you 22/25. Just like that, you've created a lovely little fraction and percent from 0.88!