Question

What is the decimal 5.12 in fraction form?

Answer 1

We have to write 5.12 in fraction form.

As we have two decimals, we start with 512/100 and see if we can simplify it:

`(512)/(100)=(256)/(50)=(128)/(25)`

We divide both numerator and denominator by the same number (in this case, by the factor 2, two times, so in fact we are dividing by 4).

The fraction 128/25 is irreductible, so it is the simplest fraction form of 5.12.

The answer is 128/25.