You can't simplify it any further - as 47 is a prime number.
no
No
8 over 5
No, it is already simplified.
1/8
3/20
It simplifies to 27 over 40.
40/3 = 13 and 1/3
5/40 = 1/8
It simplifies to 1, as you divide both parts by 40, giving 1 over 1, which is 1.
It is 7 over 10, which is 0.7 or 70%.