Addition with Regrouping: 307 + 83

Addition with Regrouping Calculator

What is 307 + 83?

Answer

307 + 83 =

390

With regrouping: 1 carry — into the tens

307 + 83 in a column. Carries are the small circled digits above the columns.
			1carry
		3	0	7
	+		8	3
		3	9	0

Column by column: 307 + 83

Ones: 7 + 3 = 10 — write 0, carry 1.
Tens: 0 + 8 + 1 = 9 — write 9.
Hundreds: nothing to add — write 3.

307 + 83 = 390

Second check: 390 − 307 = 83

Similar examples to practise

Related Calculations

390 − 83 = 307 - 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 83

Example	Sum
94 + 83	177
98 + 83	181
105 + 83	188
117 + 83	200
136 + 83	219
172 + 83	255
203 + 83	286
217 + 83	300
239 + 83	322
268 + 83	351
307 + 83	390
317 + 83	400
348 + 83	431
376 + 83	459
402 + 83	485
417 + 83	500
453 + 83	536
485 + 83	568
517 + 83	600
536 + 83	619

FAQ

What is 307 + 83?

307 + 83 = 390

How do you check that 307 + 83 = 390?

Subtract one addend from the sum: 390 − 83 = 307, and 390 − 307 = 83. Getting the other addend back means the sum is right.

How many carries are there in 307 + 83?

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 83 + 307 the same as 307 + 83?

Yes. Addition is commutative, so both give 390; the column looks the same with either number on top.

See Also