Soluzione - Long subtraction

Spiegazione passo passo

Perché imparare questo

Termini e argomenti

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

2. Subtract the numbers using long subtraction method

185.961

185.961

Guarda i passaggi

Because the upper digit (0) in the ones column is too small to get a positive difference, borrow 1 from the digit (9) in the next number place which becomes (8) and get (10).

Subtract the numbers in the ones column from the top number:
10-9=1

Subtract the numbers in the tens column from the top number:
8-2=6

Subtract the numbers in the hundreds column from the top number:
9-0=9

Because the upper digit (3) in the thousands column is too small to get a positive difference, borrow 1 from the digit (3) in the next number place which becomes (2) and get (13).

Subtract the numbers in the thousands column from the top number:
13-8=5

Because the upper digit (2) in the ten thousands 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 (12).

Place value	hundred thousands	ten thousands	thousands	hundreds	tens	ones
	1	12
		2	13
					8	10
	2	3	3	9	9	0
-		4	8	0	2	9
			5	9	6	1

Subtract the numbers in the ten thousands column from the top number:
12-4=8

Place value	hundred thousands	ten thousands	thousands	hundreds	tens	ones
	1	12
		2	13
					8	10
	2	3	3	9	9	0
-		4	8	0	2	9
		8	5	9	6	1

Write 1 in the hundred thousands place.

Place value	hundred thousands	ten thousands	thousands	hundreds	tens	ones
	1	12
		2	13
					8	10
	2	3	3	9	9	0
-		4	8	0	2	9
	1	8	5	9	6	1

The solution is: 185,961

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Place value

hundred thousands

ten thousands

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