Addition with Regrouping: 78 + 26

Addition with Regrouping Calculator

What is 78 + 26?

Answer

78 + 26 =

104

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

78 + 26 in a column. Carries are the small circled digits above the columns.
		1carry	1carry
			7	8
	+		2	6
		1	0	4

Column by column: 78 + 26

Ones: 8 + 6 = 14 — write 4, carry 1.
Tens: 7 + 2 + 1 = 10 — write 0, carry 1.
Hundreds: the carried 1 — write 1.

78 + 26 = 104

Second check: 104 − 78 = 26

Similar examples to practise

Related Calculations

104 − 26 = 78 - 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

Recalculate with different values ↑

Column additions with 26

Example	Sum
52 + 26	78
54 + 26	80
58 + 26	84
63 + 26	89
65 + 26	91
67 + 26	93
69 + 26	95
71 + 26	97
74 + 26	100
76 + 26	102
78 + 26	104
83 + 26	109
85 + 26	111
89 + 26	115
92 + 26	118
94 + 26	120
98 + 26	124
105 + 26	131
136 + 26	162
172 + 26	198

FAQ

What is 78 + 26?

78 + 26 = 104

How do you check that 78 + 26 = 104?

Subtract one addend from the sum: 104 − 26 = 78, and 104 − 78 = 26. Getting the other addend back means the sum is right.

How many carries are there in 78 + 26?

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 26 + 78 the same as 78 + 26?

Yes. Addition is commutative, so both give 104; the column looks the same with either number on top.

See Also