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

2484, 7

2484,7

Guarda i passaggi

Put zeros in the blank number places:

Because the upper digit (0) in the tenths column is too small to get a positive difference, borrow 1 from the digit (4) in the next number place which becomes (3) and get (10).

Subtract the numbers in the tenths column from the top number:
10-0-0-3=7

Because the upper digit (3) in the ones column is too small to get a positive difference, borrow 1 from the digit (1) in the next number place which becomes (0) and get (13).

Place value	thousands	hundreds	tens	ones	.	tenths
			0	13
				3		10
	9	0	1	4	,	0
	6	5	2	8	,	0
-				1	,	3
					,	7

Subtract the numbers in the ones column from the top number:
13-8-1=4

Place value	thousands	hundreds	tens	ones	.	tenths
			0	13
				3		10
	9	0	1	4	,	0
	6	5	2	8	,	0
-				1	,	3
				4	,	7

Because the upper digit (0) in the tens column is too small to get a positive difference, borrow 1 from the number to the left (90) which becomes (89) and get (10).

Place value	thousands	hundreds	tens	ones	.	tenths
	8	9	10
			0	13
				3		10
	9	0	1	4	,	0
	6	5	2	8	,	0
-				1	,	3
				4	,	7

Subtract the numbers in the tens column from the top number:
10-2=8

Place value	thousands	hundreds	tens	ones	.	tenths
	8	9	10
			0	13
				3		10
	9	0	1	4	,	0
	6	5	2	8	,	0
-				1	,	3
			8	4	,	7

Subtract the numbers in the hundreds column from the top number:
9-5=4

Place value	thousands	hundreds	tens	ones	.	tenths
	8	9	10
			0	13
				3		10
	9	0	1	4	,	0
	6	5	2	8	,	0
-				1	,	3
		4	8	4	,	7

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

Place value	thousands	hundreds	tens	ones	.	tenths
	8	9	10
			0	13
				3		10
	9	0	1	4	,	0
	6	5	2	8	,	0
-				1	,	3
	2	4	8	4	,	7

The solution is: 2484,7

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