Soluzione - Long subtraction

119.800.000

119.800.000

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Spiegazione passo passo

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

Place value	hundred millions	ten millions	millions	hundred thousands	ten thousands	thousands	hundreds	tens	ones

	2	2	8	0	0	0	0	0	0
-	1	0	8	2	0	0	0	0	0

2. Subtract the numbers using long subtraction method

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

Place value	hundred millions	ten millions	millions	hundred thousands	ten thousands	thousands	hundreds	tens	ones

	2	2	8	0	0	0	0	0	0
-	1	0	8	2	0	0	0	0	0
									0

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

Place value	hundred millions	ten millions	millions	hundred thousands	ten thousands	thousands	hundreds	tens	ones

	2	2	8	0	0	0	0	0	0
-	1	0	8	2	0	0	0	0	0
								0	0

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

Place value	hundred millions	ten millions	millions	hundred thousands	ten thousands	thousands	hundreds	tens	ones

	2	2	8	0	0	0	0	0	0
-	1	0	8	2	0	0	0	0	0
							0	0	0

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

Place value	hundred millions	ten millions	millions	hundred thousands	ten thousands	thousands	hundreds	tens	ones

	2	2	8	0	0	0	0	0	0
-	1	0	8	2	0	0	0	0	0
						0	0	0	0

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

Place value	hundred millions	ten millions	millions	hundred thousands	ten thousands	thousands	hundreds	tens	ones

	2	2	8	0	0	0	0	0	0
-	1	0	8	2	0	0	0	0	0
					0	0	0	0	0

Because the upper digit (0) in the hundred thousands column is too small to get a positive difference, borrow 1 from the digit (8) in the next number place which becomes (7) and get (10).

Place value	hundred millions	ten millions	millions	hundred thousands	ten thousands	thousands	hundreds	tens	ones
			7	10
	2	2	8	0	0	0	0	0	0
-	1	0	8	2	0	0	0	0	0
					0	0	0	0	0

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

Place value	hundred millions	ten millions	millions	hundred thousands	ten thousands	thousands	hundreds	tens	ones
			7	10
	2	2	8	0	0	0	0	0	0
-	1	0	8	2	0	0	0	0	0
				8	0	0	0	0	0

Because the upper digit (7) in the millions 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 (17).

Place value	hundred millions	ten millions	millions	hundred thousands	ten thousands	thousands	hundreds	tens	ones
		1	17
			7	10
	2	2	8	0	0	0	0	0	0
-	1	0	8	2	0	0	0	0	0
				8	0	0	0	0	0

Subtract the numbers in the millions column from the top number:
17-8=9

Place value	hundred millions	ten millions	millions	hundred thousands	ten thousands	thousands	hundreds	tens	ones
		1	17
			7	10
	2	2	8	0	0	0	0	0	0
-	1	0	8	2	0	0	0	0	0
			9	8	0	0	0	0	0

Subtract the numbers in the ten millions column from the top number:
1-0=1

Place value	hundred millions	ten millions	millions	hundred thousands	ten thousands	thousands	hundreds	tens	ones
		1	17
			7	10
	2	2	8	0	0	0	0	0	0
-	1	0	8	2	0	0	0	0	0
		1	9	8	0	0	0	0	0

Subtract the numbers in the hundred millions column from the top number:
2-1=1

Place value	hundred millions	ten millions	millions	hundred thousands	ten thousands	thousands	hundreds	tens	ones
		1	17
			7	10
	2	2	8	0	0	0	0	0	0
-	1	0	8	2	0	0	0	0	0
	1	1	9	8	0	0	0	0	0

The solution is: 119,800,000

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