85 is not exactly divisible by 4. Dividing 85 by 4 gives 21 with a remainder of 1.
That can't be simplified. 4 and 85 have no common factors.
20 to 85, or 20/85 can be reduced to 4/17, which is the same as 4:17.
0.0471
85+85=170+90=260+100=360/4=90 Problem solved.
21.25
85 is not exactly divisible by 4. Dividing 85 by 4 gives 21 with a remainder of 1.
4/5 * 85 = 68
85
That can't be simplified. 4 and 85 have no common factors.
20 to 85, or 20/85 can be reduced to 4/17, which is the same as 4:17.
4 dived by 85
4 over 85 = 4/85
0.0471
4/5
12 - 4 + k = 85 8 + k = 85 k = 77
85