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Solution - Long addition

0.0000700564

0.0000700564

See steps

Step-by-step explanation

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

Place value	ones	.	tenths	hundredths	thousandths	ten thousandths	hundred thousandths	millionths	ten millionths	hundred millionths	billionths	ten billionths
TABLE_NAME_CARRY
	0	.	0	0	0	0	0	0	0	5	6	4
+	0	.	0	0	0	0	7
		.

Put zeros in the blank number places:

Place value	ones	.	tenths	hundredths	thousandths	ten thousandths	hundred thousandths	millionths	ten millionths	hundred millionths	billionths	ten billionths
TABLE_NAME_CARRY
	0	.	0	0	0	0	0	0	0	5	6	4
+	0	.	0	0	0	0	7	0	0	0	0	0
		.

2. Add up the digits in each column, from right to left

Add the numbers in the ten billionths place value.
4+0=4

Write 4 in the ten billionths place.

Place value	ones	.	tenths	hundredths	thousandths	ten thousandths	hundred thousandths	millionths	ten millionths	hundred millionths	billionths	ten billionths
TABLE_NAME_CARRY
	0	.	0	0	0	0	0	0	0	5	6	4
+	0	.	0	0	0	0	7	0	0	0	0	0
		.										4

Add the numbers in the billionths place value.
6+0=6

Write 6 in the billionths place.

Place value	ones	.	tenths	hundredths	thousandths	ten thousandths	hundred thousandths	millionths	ten millionths	hundred millionths	billionths	ten billionths
TABLE_NAME_CARRY
	0	.	0	0	0	0	0	0	0	5	6	4
+	0	.	0	0	0	0	7	0	0	0	0	0
		.									6	4

Add the numbers in the hundred millionths place value.
5+0=5

Write 5 in the hundred millionths place.

Place value	ones	.	tenths	hundredths	thousandths	ten thousandths	hundred thousandths	millionths	ten millionths	hundred millionths	billionths	ten billionths
TABLE_NAME_CARRY
	0	.	0	0	0	0	0	0	0	5	6	4
+	0	.	0	0	0	0	7	0	0	0	0	0
		.								5	6	4

Add the numbers in the ten millionths place value.
0+0=0

Write 0 in the ten millionths place.

Place value	ones	.	tenths	hundredths	thousandths	ten thousandths	hundred thousandths	millionths	ten millionths	hundred millionths	billionths	ten billionths
TABLE_NAME_CARRY
	0	.	0	0	0	0	0	0	0	5	6	4
+	0	.	0	0	0	0	7	0	0	0	0	0
		.							0	5	6	4

Add the numbers in the millionths place value.
0+0=0

Write 0 in the millionths place.

Place value	ones	.	tenths	hundredths	thousandths	ten thousandths	hundred thousandths	millionths	ten millionths	hundred millionths	billionths	ten billionths
TABLE_NAME_CARRY
	0	.	0	0	0	0	0	0	0	5	6	4
+	0	.	0	0	0	0	7	0	0	0	0	0
		.						0	0	5	6	4

Add the numbers in the hundred thousandths place value.
0+7=7

Write 7 in the hundred thousandths place.

Place value	ones	.	tenths	hundredths	thousandths	ten thousandths	hundred thousandths	millionths	ten millionths	hundred millionths	billionths	ten billionths
TABLE_NAME_CARRY
	0	.	0	0	0	0	0	0	0	5	6	4
+	0	.	0	0	0	0	7	0	0	0	0	0
		.					7	0	0	5	6	4

Add the numbers in the ten thousandths place value.
0+0=0

Write 0 in the ten thousandths place.

Place value	ones	.	tenths	hundredths	thousandths	ten thousandths	hundred thousandths	millionths	ten millionths	hundred millionths	billionths	ten billionths
TABLE_NAME_CARRY
	0	.	0	0	0	0	0	0	0	5	6	4
+	0	.	0	0	0	0	7	0	0	0	0	0
		.				0	7	0	0	5	6	4

Add the numbers in the thousandths place value.
0+0=0

Write 0 in the thousandths place.

Place value	ones	.	tenths	hundredths	thousandths	ten thousandths	hundred thousandths	millionths	ten millionths	hundred millionths	billionths	ten billionths
TABLE_NAME_CARRY
	0	.	0	0	0	0	0	0	0	5	6	4
+	0	.	0	0	0	0	7	0	0	0	0	0
		.			0	0	7	0	0	5	6	4

Add the numbers in the hundredths place value.
0+0=0

Write 0 in the hundredths place.

Place value	ones	.	tenths	hundredths	thousandths	ten thousandths	hundred thousandths	millionths	ten millionths	hundred millionths	billionths	ten billionths
TABLE_NAME_CARRY
	0	.	0	0	0	0	0	0	0	5	6	4
+	0	.	0	0	0	0	7	0	0	0	0	0
		.		0	0	0	7	0	0	5	6	4

Add the numbers in the tenths place value.
0+0=0

Write 0 in the tenths place.

Place value	ones	.	tenths	hundredths	thousandths	ten thousandths	hundred thousandths	millionths	ten millionths	hundred millionths	billionths	ten billionths
TABLE_NAME_CARRY
	0	.	0	0	0	0	0	0	0	5	6	4
+	0	.	0	0	0	0	7	0	0	0	0	0
		.	0	0	0	0	7	0	0	5	6	4

Add the numbers in the ones place value.
0+0=0

Write 0 in the ones place.

Place value	ones	.	tenths	hundredths	thousandths	ten thousandths	hundred thousandths	millionths	ten millionths	hundred millionths	billionths	ten billionths
TABLE_NAME_CARRY
	0	.	0	0	0	0	0	0	0	5	6	4
+	0	.	0	0	0	0	7	0	0	0	0	0
	0	.	0	0	0	0	7	0	0	5	6	4

The solution is: 0.0000700564

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Why learn this

Addition is the most basic math action and is used daily by almost everybody. Playing games, paying at the supermarket, and cooking are just a few examples of when we add.
Long addition is a clear and simple method to add numbers. Especially big numbers.
Although today calculators do this job for us, understanding the concept of addition is a key ability for understanding math.

Terms and topics

Long addition