Addition with Regrouping: 683 + 307

Addition with Regrouping Calculator

What is 683 + 307?

Answer

683 + 307 =

990

With regrouping: 1 carry — into the tens

683 + 307 in a column. Carries are the small circled digits above the columns.
			1carry
		6	8	3
	+	3	0	7
		9	9	0

Column by column: 683 + 307

Ones: 3 + 7 = 10 — write 0, carry 1.
Tens: 8 + 0 + 1 = 9 — write 9.
Hundreds: 6 + 3 = 9 — write 9.

683 + 307 = 990

Second check: 990 − 683 = 307

Similar examples to practise

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990 − 307 = 683 - 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 307

Example	Sum
307 + 307	614
325 + 307	632
348 + 307	655
354 + 307	661
376 + 307	683
389 + 307	696
402 + 307	709
427 + 307	734
453 + 307	760
468 + 307	775
485 + 307	792
519 + 307	826
536 + 307	843
564 + 307	871
578 + 307	885
602 + 307	909
647 + 307	954
683 + 307	990

FAQ

What is 683 + 307?

683 + 307 = 990

How do you check that 683 + 307 = 990?

Subtract one addend from the sum: 990 − 307 = 683, and 990 − 683 = 307. Getting the other addend back means the sum is right.

How many carries are there in 683 + 307?

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 307 + 683 the same as 683 + 307?

Yes. Addition is commutative, so both give 990; the column looks the same with either number on top.

See Also