In Arithmetic:
A number to be subtracted from another number is known as Subtrahend E.g. 20 – 5 In the above arithmetic expression, 5 is a Subtrahend
Consider the following figure illustrating Subtrahend:
In Algebra:
An algebraic number to be subtracted from another algebraic number is known as Subtrahend E.g. 2a – 2b In the above algebraic expression, 2b is a Subtrahend
Consider the following figure illustrating Subtrahend:

