The subtract() is an inbuilt method in Ruby returns the set after deleting all the objects that appear in the enum that is passed.

Syntax: s1_name.subtract(enum)

Parameters: The function takes an object enum whose elements are deleted from the set.

Return Value: It returns self object after removing all elements are removed of enum from set.

Example 1:

Output:

Set: {12, 78, 98}

Example 2:

Output:

Set: {4, 6, 10}