Addition with Regrouping: 402 + 268

Addition with Regrouping Calculator

What is 402 + 268?

Answer

402 + 268 =

670

With regrouping: 1 carry — into the tens

402 + 268 in a column. Carries are the small circled digits above the columns.
			1carry
		4	0	2
	+	2	6	8
		6	7	0

Column by column: 402 + 268

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

402 + 268 = 670

Second check: 670 − 402 = 268

Similar examples to practise

Related Calculations

670 − 268 = 402 - 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 268

Example	Sum
268 + 268	536
291 + 268	559
307 + 268	575
325 + 268	593
348 + 268	616
354 + 268	622
376 + 268	644
389 + 268	657
402 + 268	670
427 + 268	695
432 + 268	700
453 + 268	721
468 + 268	736
485 + 268	753
519 + 268	787
532 + 268	800
536 + 268	804
564 + 268	832
578 + 268	846
602 + 268	870

FAQ

What is 402 + 268?

402 + 268 = 670

How do you check that 402 + 268 = 670?

Subtract one addend from the sum: 670 − 268 = 402, and 670 − 402 = 268. Getting the other addend back means the sum is right.

How many carries are there in 402 + 268?

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 268 + 402 the same as 402 + 268?

Yes. Addition is commutative, so both give 670; the column looks the same with either number on top.

See Also