Solution - Long subtraction

16

See steps

Step-by-step explanation

1. Rewrite the numbers from top to bottom, aligned by their place values

Place value	tens	ones

	2	5
-		9

2. Subtract the numbers using long subtraction method

Because the upper digit (5) in the ones column is too small to get a positive difference, borrow 1 from the digit (2) in the next number place which becomes (1) and get (15).

Place value	tens	ones
	1	15
	2	5
-		9

Subtract the numbers in the ones column from the top number:
15-9=6

Place value	tens	ones
	1	15
	2	5
-		9
		6

Write 1 in the tens place.

Place value	tens	ones
	1	15
	2	5
-		9
	1	6

The solution is: 16

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Terms and topics

Long substraction