What is 25% of 30? [Solved] - Cuemath What is 25% of 30? A percent is a ratio of a number expressed out of 100 Answer: 25% of 30 is 15 2 or 7½ as a fraction and 7 5 as a decimal Let's find 25% of 30 Explanation: 25% of 30 can be written as 25% × 30 = 25 100 × 30 = 15 2 = 7½ = 7 5 Thus, 25% of 30 is 15 2 or 7½ as a fraction and 7 5 as a decimal