3.15 has two digits after the decimal point to you divide 315 by 1 followed by 2 0s and then simplify.
Thus 3.15 = 315/100 = 63/20.
315 ---- (improper fraction) 1
315% as a simplified fraction is: 3 3/20
315% in simplest form is: 3 3/20
315 over 10000
78.75 is a fraction. It is a fraction in decimal form rather than in the form of a ratio. However, that does not stop it being a fraction. Its equivalent, in rational form, is 7875/100. You can simplify this rational fraction if you so wish.
0.315 inches is written as a fraction. It is a fraction in decimal form rather than in the form of a ratio. However, that does not stop it being a fraction. Its equivalent, in rational form, 315/1000 inches. You can simplify this rational fraction if required.
315 is an integer and not a fraction. However, it can be expressed in rational form as 315/1 which cannot be simplified.
315% of 52 = 315% * 52 = 3.15 * 52 = 163.8
No. Their highest common factor is 1, so it is not possible to simplify.
21% of 315= 21% * 315= 0.21 * 315= 66.15
It is simply 315/1 as an improper fraction
315% = 31,500