This is an instruction for working with fractions. It means
1/2
1/2
1/25
It is: 135% = 27/20
65% = 13⁄20
3/8
168156 is an integer and there is no sensible way to express it as a fraction.
18/15 = 6/5 = 1.2
4.38 = 438/100 = 219/50
25 percent to a fraction in lowest term = 1/4 25% = 25%/100% = 25/100 or 1/4 in fraction
As 21 is 3 x 7 the ratio 7:21 = 1:3
if you will express it in lowest term,the answer would be 3/5. if you will divide it,the answer would be 0.6 hope that helped:D