15 percent of 30

Given: 15 percent of 30 (15% of 30)
Convert the given Percent to a decimal number (decimal form):

• As a decimal number, 15% = 15.0% = 0.15

Multiply 0.15 times the given Number:

• 0.15 * 30 = 4.5

Therefore, 15% of 30 = 4.5
Note: Alternative computation using the fraction form of 15%

• As a fraction in simplest form, 15% =
  15/100
  =
  3/20
• 3/20
  * 30 =
  90/20
  = 4.5, which equals 15 percent of 30