Addition with Regrouping: 239 + 45

Addition with Regrouping Calculator

What is 239 + 45?

Answer

239 + 45 =

284

With regrouping: 1 carry — into the tens

239 + 45 in a column. Carries are the small circled digits above the columns.
			1carry
		2	3	9
	+		4	5
		2	8	4

Column by column: 239 + 45

Ones: 9 + 5 = 14 — write 4, carry 1.
Tens: 3 + 4 + 1 = 8 — write 8.
Hundreds: nothing to add — write 2.

239 + 45 = 284

Second check: 284 − 239 = 45

Similar examples to practise

Related Calculations

284 − 45 = 239 - 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 45

Example	Sum
83 + 45	128
85 + 45	130
89 + 45	134
92 + 45	137
94 + 45	139
98 + 45	143
105 + 45	150
136 + 45	181
172 + 45	217
203 + 45	248
239 + 45	284
268 + 45	313
307 + 45	352
348 + 45	393
376 + 45	421
402 + 45	447
453 + 45	498
485 + 45	530
536 + 45	581
578 + 45	623

FAQ

What is 239 + 45?

239 + 45 = 284

How do you check that 239 + 45 = 284?

Subtract one addend from the sum: 284 − 45 = 239, and 284 − 239 = 45. Getting the other addend back means the sum is right.

How many carries are there in 239 + 45?

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 45 + 239 the same as 239 + 45?

Yes. Addition is commutative, so both give 284; the column looks the same with either number on top.

See Also