Addition with Regrouping: 78 + 76

Addition with Regrouping Calculator

What is 78 + 76?

Answer

78 + 76 =

154

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

78 + 76 in a column. Carries are the small circled digits above the columns.
		1carry	1carry
			7	8
	+		7	6
		1	5	4

Column by column: 78 + 76

Ones: 8 + 6 = 14 — write 4, carry 1.
Tens: 7 + 7 + 1 = 15 — write 5, carry 1.
Hundreds: the carried 1 — write 1.

78 + 76 = 154

Second check: 154 − 78 = 76

Similar examples to practise

Related Calculations

154 − 76 = 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 76

Example	Sum
76 + 76	152
78 + 76	154
83 + 76	159
85 + 76	161
89 + 76	165
92 + 76	168
94 + 76	170
98 + 76	174
105 + 76	181
124 + 76	200
136 + 76	212
172 + 76	248
203 + 76	279
224 + 76	300
239 + 76	315
268 + 76	344
307 + 76	383
348 + 76	424
376 + 76	452
402 + 76	478

FAQ

What is 78 + 76?

78 + 76 = 154

How do you check that 78 + 76 = 154?

Subtract one addend from the sum: 154 − 76 = 78, and 154 − 78 = 76. Getting the other addend back means the sum is right.

How many carries are there in 78 + 76?

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 76 + 78 the same as 78 + 76?

Yes. Addition is commutative, so both give 154; the column looks the same with either number on top.

See Also