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

6.397

6.397

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:
10-3=7

Because the upper digit (8) in the tens 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 (18).

Subtract the numbers in the tens column from the top number:
18-9=9

Because the upper digit (1) in the hundreds 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 (11).

Place value	hundred thousands	ten thousands	thousands	hundreds	tens	ones
			2	11
				1	18
					8	10
	2	0	3	2	9	0
-	1	9	6	8	9	3
					9	7

Subtract the numbers in the hundreds column from the top number:
11-8=3

Place value	hundred thousands	ten thousands	thousands	hundreds	tens	ones
			2	11
				1	18
					8	10
	2	0	3	2	9	0
-	1	9	6	8	9	3
				3	9	7

Because the upper digit (2) in the thousands column is too small to get a positive difference, borrow 1 from the number to the left (20) which becomes (19) and get (12).

Place value	hundred thousands	ten thousands	thousands	hundreds	tens	ones
	1	9	12
			2	11
				1	18
					8	10
	2	0	3	2	9	0
-	1	9	6	8	9	3
				3	9	7

Subtract the numbers in the thousands column from the top number:
12-6=6

Place value	hundred thousands	ten thousands	thousands	hundreds	tens	ones
	1	9	12
			2	11
				1	18
					8	10
	2	0	3	2	9	0
-	1	9	6	8	9	3
			6	3	9	7

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

Place value	hundred thousands	ten thousands	thousands	hundreds	tens	ones
	1	9	12
			2	11
				1	18
					8	10
	2	0	3	2	9	0
-	1	9	6	8	9	3
		0	6	3	9	7

Subtract the numbers in the hundred thousands column from the top number:
1-1=0

Place value	hundred thousands	ten thousands	thousands	hundreds	tens	ones
	1	9	12
			2	11
				1	18
					8	10
	2	0	3	2	9	0
-	1	9	6	8	9	3
	0	0	6	3	9	7

The solution is: 6,397

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Place value

hundred thousands

ten thousands

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