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Addition with Regrouping: 89 + 45

Addition with Regrouping Calculator

What is 89 + 45?

Answer

89 + 45 =

134

The sum is longer than the addends: 2 carries — into the tens and the hundreds; the last one makes a new digit

89 + 45 in a column. Carries are the small circled digits above the columns.
		1carry	1carry
			8	9
	+		4	5
		1	3	4

Column by column: 89 + 45

Ones: 9 + 5 = 14 — write 4, carry 1.
Tens: 8 + 4 + 1 = 13 — write 3, carry 1.
Hundreds: the carried 1 — write 1.

89 + 45 = 134

Second check: 134 − 89 = 45

Similar examples to practise

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Related Calculations

134 − 45 = 89 - 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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89 + 45 = 134 - Addition with Regrouping. 89 + 45 = 134. Addition with regrouping step by step: 2 carries, every digit of the sum and a subtraction check.

https://calculat.io/en/number/long-addition/89--45/generated.jpg

Column additions with 45

Example	Sum
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
136 + 45	181
172 + 45	217
203 + 45	248
239 + 45	284
268 + 45	313

Recalculate with different values ↑

FAQ

What is 89 + 45?

89 + 45 = 134

How do you check that 89 + 45 = 134?

Subtract one addend from the sum: 134 − 45 = 89, and 134 − 89 = 45. Getting the other addend back means the sum is right.

How many carries are there in 89 + 45?

2 carries: 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 + 89 the same as 89 + 45?

Yes. Addition is commutative, so both give 134; the column looks the same with either number on top.

See Also