There's no SUBTRACT function in Excel. However, there are many ways to subtract numbers in Excel. Are you ready to improve your Excel skills? 1. For example, the formula below subtracts numbers in a cell. Simply use the minus sign (-) as the subtraction operator. Don't forget, always start a formula with an equal sign (=). 2.
It begins with the comparison operator “equal to” (=) followed by the first number, the minus sign, and the second number. For example, to subtract 2 and 5 from 15, apply the formula “=15-2-5.” It returns 8.