10 percent of 40

Given: 10 percent of 40 (10% of 40)
Convert the given Percent to a decimal number (decimal form):

• As a decimal number, 10% = 10.0% = 0.1

Multiply 0.1 times the given Number:

• 0.1 * 40 = 4

Therefore, 10% of 40 = 4
Note: Alternative computation using the fraction form of 10%

• As a fraction in simplest form, 10% =
  10/100
  =
  1/10
• 1/10
  * 40 =
  40/10
  = 4, which equals 10 percent of 40