Question

Convert 0.9 to a percentage?

Answer 1

`90%`

Explanation:

To get a percentage out of a number, simply multiply that number by `100%` - use the percentage sign at the end.

`0.9xx100%=90%`

Alternatively, if you are dealing with fractions, you can put everything over a common denominator factor of 100, and then convert to a fraction of 100.

E.g.:

`4/5xx20/20=80/100=80%`

`17/30xx10/10=170/300=56.67/100~=56.67%`

Answer 2

`90%`

Explanation:

Fractions, decimals and percentages are all different ways of writing the same number.

`1/2 = 0.5 = 5/10 = 50/100 = 50%`

The decimal `0.9` means `9/10`

Change the denominator to `100`

`9/10 xx10/10 = 90/100 = 90%`