Write the number 40/100 as tenths in fraction form and decimal form.

What is 40/100 as a decimal?
To write 40/100 as a decimal you have to divide numerator by the denominator of the fraction.
We divide now 40 by 100 what we write down as 40/100 and we get 0.4

And finally we have:
40/100 as a decimal equals 0.4