Addition with Regrouping: 78 + 19

Addition with Regrouping Calculator

What is 78 + 19?

Answer

78 + 19 =

97

With regrouping: 1 carry — into the tens

78 + 19 in a column. Carries are the small circled digits above the columns.
		1carry
		7	8
	+	1	9
		9	7

Column by column: 78 + 19

Ones: 8 + 9 = 17 — write 7, carry 1.
Tens: 7 + 1 + 1 = 9 — write 9.

78 + 19 = 97

Second check: 97 − 78 = 19

Similar examples to practise

Related Calculations

97 − 19 = 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 19

Example	Sum
52 + 19	71
54 + 19	73
58 + 19	77
63 + 19	82
65 + 19	84
67 + 19	86
69 + 19	88
71 + 19	90
74 + 19	93
76 + 19	95
78 + 19	97
83 + 19	102
85 + 19	104
89 + 19	108
92 + 19	111
94 + 19	113
98 + 19	117
105 + 19	124
136 + 19	155
172 + 19	191

FAQ

What is 78 + 19?

78 + 19 = 97

How do you check that 78 + 19 = 97?

Subtract one addend from the sum: 97 − 19 = 78, and 97 − 78 = 19. Getting the other addend back means the sum is right.

How many carries are there in 78 + 19?

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 19 + 78 the same as 78 + 19?

Yes. Addition is commutative, so both give 97; the column looks the same with either number on top.

See Also