Try using photomath its an app where u take a pic of the problem and I solves it for you and shows u the working
It is already in simplest form, since 17 is a prime number.
The first one can be written as a fraction because it is a repeating decimal.
The second one can be written as a fraction because it is a repeating decimal.
The third one can not be written as a fraction since it is nether terminating nor repeating.
The last one can be written as a fraction since it is a terminating decimal.
It’s 16 look at it a bit closer if you get confused step away and clear your mind a bit
