Question

How do you change 4.05 into a fraction?

Answer 1

You can write `0.05=5/100=cancel5/(cancel5xx20)=1/20`

Explanation:

If you want a mixed fraction, you're done now: `4 1/20`

If you want a proper fraction, you'll have to convert the whole number:

`4=4xx20/20=80/20`

Final answer: `4.05=4 1/20=80/20+1/20=81/20`