9`s & 10`s complement
∴ Concept of MINUEND and SUBTRAHEND → 9`s Complement & 10`s complement: If the number is binary, then we use 1’s complement and 2’s complement. But in case, when the number is a decimal number, we will use the 9’s and 10’s complement. • 9`s Complement: The 9’s complement is used to find the subtraction