Addition with Regrouping: 402 + 89

Addition with Regrouping Calculator

What is 402 + 89?

Answer

402 + 89 =

491

With regrouping: 1 carry — into the tens

402 + 89 in a column. Carries are the small circled digits above the columns.
			1carry
		4	0	2
	+		8	9
		4	9	1

Column by column: 402 + 89

Ones: 2 + 9 = 11 — write 1, carry 1.
Tens: 0 + 8 + 1 = 9 — write 9.
Hundreds: nothing to add — write 4.

402 + 89 = 491

Second check: 491 − 402 = 89

Similar examples to practise

Related Calculations

491 − 89 = 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 89

Example	Sum
92 + 89	181
94 + 89	183
98 + 89	187
105 + 89	194
111 + 89	200
136 + 89	225
172 + 89	261
203 + 89	292
211 + 89	300
239 + 89	328
268 + 89	357
307 + 89	396
348 + 89	437
376 + 89	465
402 + 89	491
453 + 89	542
485 + 89	574
536 + 89	625
578 + 89	667
647 + 89	736

FAQ

What is 402 + 89?

402 + 89 = 491

How do you check that 402 + 89 = 491?

Subtract one addend from the sum: 491 − 89 = 402, and 491 − 402 = 89. Getting the other addend back means the sum is right.

How many carries are there in 402 + 89?

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 89 + 402 the same as 402 + 89?

Yes. Addition is commutative, so both give 491; the column looks the same with either number on top.