Addition with Regrouping: 268 + 15

Addition with Regrouping Calculator

What is 268 + 15?

Answer

268 + 15 =

283

With regrouping: 1 carry — into the tens

268 + 15 in a column. Carries are the small circled digits above the columns.
			1carry
		2	6	8
	+		1	5
		2	8	3

Column by column: 268 + 15

Ones: 8 + 5 = 13 — write 3, carry 1.
Tens: 6 + 1 + 1 = 8 — write 8.
Hundreds: nothing to add — write 2.

268 + 15 = 283

Second check: 283 − 268 = 15

Similar examples to practise

Related Calculations

283 − 15 = 268 - 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 15

Example	Sum
85 + 15	100
89 + 15	104
92 + 15	107
94 + 15	109
98 + 15	113
105 + 15	120
136 + 15	151
172 + 15	187
203 + 15	218
239 + 15	254
268 + 15	283
307 + 15	322
348 + 15	363
376 + 15	391
402 + 15	417
453 + 15	468
485 + 15	500
536 + 15	551
578 + 15	593
647 + 15	662

FAQ

What is 268 + 15?

268 + 15 = 283

How do you check that 268 + 15 = 283?

Subtract one addend from the sum: 283 − 15 = 268, and 283 − 268 = 15. Getting the other addend back means the sum is right.

How many carries are there in 268 + 15?

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 15 + 268 the same as 268 + 15?

Yes. Addition is commutative, so both give 283; the column looks the same with either number on top.

See Also