Addition with Regrouping: 78 + 63

Addition with Regrouping Calculator

What is 78 + 63?

Answer

78 + 63 =

141

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

78 + 63 in a column. Carries are the small circled digits above the columns.
		1carry	1carry
			7	8
	+		6	3
		1	4	1

Column by column: 78 + 63

Ones: 8 + 3 = 11 — write 1, carry 1.
Tens: 7 + 6 + 1 = 14 — write 4, carry 1.
Hundreds: the carried 1 — write 1.

78 + 63 = 141

Second check: 141 − 78 = 63

Similar examples to practise

Related Calculations

141 − 63 = 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 63

Example	Sum
63 + 63	126
65 + 63	128
67 + 63	130
69 + 63	132
71 + 63	134
74 + 63	137
76 + 63	139
78 + 63	141
83 + 63	146
85 + 63	148
89 + 63	152
92 + 63	155
94 + 63	157
98 + 63	161
105 + 63	168
136 + 63	199
137 + 63	200
172 + 63	235
203 + 63	266
237 + 63	300

FAQ

What is 78 + 63?

78 + 63 = 141

How do you check that 78 + 63 = 141?

Subtract one addend from the sum: 141 − 63 = 78, and 141 − 78 = 63. Getting the other addend back means the sum is right.

How many carries are there in 78 + 63?

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 63 + 78 the same as 78 + 63?

Yes. Addition is commutative, so both give 141; the column looks the same with either number on top.

See Also