Put the percentage over 100. For example, if you have 30 percent and want to convert it to an equivalent fraction, write "30/100."
Identify a number that goes into both the numerator and the denominator. In this example, both 30 and 100 are divisible by 2. When you divide 30 by 2, you get 15. And 100 divided 2 is 50. This yields 15/50.
Repeat Step 2 until the numerator and denominator share no common divisors except 1. In this example, 15 and 50 are both divisible by 5, so you would get 3/10. Because 3 and 10 have no divisors other than 1, 30 percent equals 3/10.