Column Addition: 54 + 23

Addition with Regrouping Calculator

What is 54 + 23?

Answer

54 + 23 =

77

No regrouping: each column is added on its own

54 + 23 in a column. No carries.
		5	4
	+	2	3
		7	7

Column by column: 54 + 23

Ones: 4 + 3 = 7 — write 7.
Tens: 5 + 2 = 7 — write 7.

54 + 23 = 77

Second check: 77 − 54 = 23

Similar examples to practise

Related Calculations

77 − 23 = 54 - Column Subtraction

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 23

Example	Sum
23 + 23	46
26 + 23	49
28 + 23	51
34 + 23	57
36 + 23	59
39 + 23	62
41 + 23	64
45 + 23	68
47 + 23	70
52 + 23	75
54 + 23	77
58 + 23	81
63 + 23	86
65 + 23	88
67 + 23	90
69 + 23	92
71 + 23	94
74 + 23	97
76 + 23	99
77 + 23	100

FAQ

What is 54 + 23?

54 + 23 = 77

How do you check that 54 + 23 = 77?

Subtract one addend from the sum: 77 − 23 = 54, and 77 − 54 = 23. Getting the other addend back means the sum is right.

How many carries are there in 54 + 23?

None: no column adds up to 10 or more, so every digit of the sum is written straight away.

Is 23 + 54 the same as 54 + 23?

Yes. Addition is commutative, so both give 77; the column looks the same with either number on top.

See Also