Add the ones digits.

Carry over the one, and add the tens digits.

Combine this number and the ones digit of the first number.

The answer is:

Add the one digits.

Add the tens digits with the two as the carryover.

Combine this number with the ones digit of the first number.

The answer is:

Add the ones digits.

Add the tens digits with the two as the carryover.

Combine this number with the ones digit of the first number.

The answer is:

Add the ones digits.

Carryover the one and add all the tens digits.

Combine this number with the ones digit of the first number.

The answer is:

Add the ones digits.

Carry over the one, and add the tens digits.

Combine this value with the ones digit of the first number.

The answer is:

Add the ones digits.

Add the tens digits with the one from the tens place as the carryover.

Add the hundreds places with the carryover.

The answer is:

The statemet shows a number being added to its additive inverse to obtain a sum of 0; this is a demonstration of the inverse property of addition.

Add the ones digits.

Add the ones digits and carryover the 2.

Combine this number with the ones digit of the first number.

The answer is:

Since we are working with subtraction, that means that our final answer must be smaller than the largest number we're working with. We will take our and go backwards times.

,

If we count down from times, we have .

Our answer is .

Add the ones digits.

Add the tens digits with the one as the carryover.

Combine this number with the ones digit of the first number.

The answer is: