Question

17.5 how to make this into a fraction

Answer 1

17,5 = 175/10 = 1750/100 = 17500/1000

Answer 2

Take the .5 of the 17.5 and convert it to a fractin.
we know .5 is equal to 50% or 1/2 

now we have a mixed number  $17 \frac{1}{2}$

in order to convert it into an improper fraction you need to multiply the whole number by the denominator and then add the numerator all while keeping the denominator constant. 

$W \frac{N}{D} = \frac{(W*D)+N}{D}$

so $17 \frac{1}{2}= \frac{(17*2)+1}{2}= \frac{35}{2}$