Pre-Algebra Examples

$105 - 15$

Step 1

Subtract using long subtraction.

Tap for more steps...

Step 1.1

Set up the subtraction problem in long subtraction format.

Step 1.2

Subtract $5$ from $5$ .

Step 1.3

Borrow $10$ from the digit in the next column to the left. Add the borrowed $10$ to $0$ . Reduce the number that was borrowed from by $1$ .

Step 1.4

Subtract $1$ from $10$ .

Step 1.5

Subtract $0$ from $0$ .

Step 2

The result of $105 - 15$ is $90$ .

$90$