Subtraction traditional method

It's all about lining values up in columns.

Put ones above and below each other as well as the tens and hundreds etc.

Mnemonic depicting the traditional method of subtraction stacking the numbers in columns.

It’s all about lining up the columns.

Example 1

$64-29$

		$5$	$14$
		$cancel6$	$cancel4$
	$-$	$2$	$9$
		$3$	$5$

If you want to see this broken down

Answer: $64-29=35$

Example 2

$495-197$

			$18$
		$3$	$cancel8$	$15$
		$cancel4$	$cancel9$	$cancel5$
	$-$	$1$	$9$	$7$
		$2$	$9$	$8$

If you want to see this broken down

Answer: $495-197=298$

Example 3

$603-486$

			$9$
		$5$	$cancel10$	$13$
		$cancel6$	$cancel0$	$cancel3$
	$-$	$4$	$8$	$6$
		$1$	$1$	$7$

If you want to see this broken down

Answer: $603-486=117$

Example 4

$305-127$

			$9$
		$2$	$cancel10$	$15$
		$cancel3$	$cancel0$	$cancel5$
	$-$	$1$	$2$	$7$
		$1$	$7$	$8$

If you want to see this broken

Answer: $305-127=178$