Addition with Regrouping: 354 + 307

Addition with Regrouping Calculator

What is 354 + 307?

Answer

354 + 307 =

661

With regrouping: 1 carry — into the tens

354 + 307 in a column. Carries are the small circled digits above the columns.
			1carry
		3	5	4
	+	3	0	7
		6	6	1

Column by column: 354 + 307

Ones: 4 + 7 = 11 — write 1, carry 1.
Tens: 5 + 0 + 1 = 6 — write 6.
Hundreds: 3 + 3 = 6 — write 6.

354 + 307 = 661

Second check: 661 − 354 = 307

Similar examples to practise

Related Calculations

661 − 307 = 354 - 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 354 + 307?

354 + 307 = 661

How do you check that 354 + 307 = 661?

Subtract one addend from the sum: 661 − 307 = 354, and 661 − 354 = 307. Getting the other addend back means the sum is right.

How many carries are there in 354 + 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 + 354 the same as 354 + 307?

Yes. Addition is commutative, so both give 661; the column looks the same with either number on top.

See Also