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Addition with Regrouping: 47 + 45

Addition with Regrouping Calculator

What is 47 + 45?

Answer

47 + 45 =

92

With regrouping: 1 carry — into the tens

47 + 45 in a column. Carries are the small circled digits above the columns.
		1carry
		4	7
	+	4	5
		9	2

Column by column: 47 + 45

Ones: 7 + 5 = 12 — write 2, carry 1.
Tens: 4 + 4 + 1 = 9 — write 9.

47 + 45 = 92

Second check: 92 − 47 = 45

Similar examples to practise

Found an error in the calculation or the information?

Related Calculations

92 − 45 = 47 - Subtraction with Regrouping

See Also

Subtraction with Regrouping Calculator - Column subtraction step by step, with borrowing across zeros
Long Multiplication Calculator - Column multiplication with partial products, step by step
Long Division Calculator - Step-by-step long division with detailed explanation
Adding Fractions Calculator - Add fractions, mixed numbers and whole numbers step by step

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47 + 45 = 92 - Addition with Regrouping. 47 + 45 = 92. Addition with regrouping step by step: 1 carry, every digit of the sum and a subtraction check.

https://calculat.io/en/number/long-addition/47--45/generated.jpg

Column additions with 45

Example	Sum
45 + 45	90
47 + 45	92
52 + 45	97
54 + 45	99
58 + 45	103
63 + 45	108
65 + 45	110
67 + 45	112
69 + 45	114
71 + 45	116
74 + 45	119
76 + 45	121
78 + 45	123
83 + 45	128
85 + 45	130
89 + 45	134
92 + 45	137
94 + 45	139
98 + 45	143
105 + 45	150

Recalculate with different values ↑

FAQ

What is 47 + 45?

47 + 45 = 92

How do you check that 47 + 45 = 92?

Subtract one addend from the sum: 92 − 45 = 47, and 92 − 47 = 45. Getting the other addend back means the sum is right.

How many carries are there in 47 + 45?

1 carry: every time a column added up to 10 or more, its ones digit was written and 1 was carried to the next column on the left.

Is 45 + 47 the same as 47 + 45?

Yes. Addition is commutative, so both give 92; the column looks the same with either number on top.