Discussion

Explanation:

When we subtract numbers in non-decimal system, subtract them as we do in decimal system but write them according to the given base system.

Step 1: Subtracting unit’s digits.

When we subtract bigger number from a smaller number, we borrow from the left of the smaller digit. 

Since we are dealing in base 2, when we borrow, we subtract 1 from the left digit and add 2 in the smaller digit.

Now subtract as we do in decimal system i.e., 2 + 0 – 1 = 1

Step 2: Subtracting ten’s digits.

When we subtract bigger number from a smaller number, we borrow from the left of the smaller digit. 

Since we are dealing in base 2, when we borrow, we subtract 1 from the left digit and add 2 in the smaller digit.

Now subtract as we do in decimal system i.e., 2 – 1 + 0 - 1 = 0.

Step 3: Subtracting hundred’s digits.

Subtract as we do in decimal system i.e., -1 + 1 – 0 = 0.

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Hence, 1.

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