Column Subtraction: 479 − 172

Subtraction with Regrouping Calculator

What is 479 − 172?

Answer

479 − 172 =

307

No regrouping: each column is subtracted on its own

479 − 172 in a column. No borrowing.
		4	7	9
	−	1	7	2
		3	0	7

Column by column: 479 − 172

Ones: 9 − 2 = 7 — write 7.
Tens: 7 − 7 = 0 — write 0.
Hundreds: 4 − 1 = 3 — write 3.

479 − 172 = 307

Second check: 479 − 307 = 172

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Related Calculations

307 + 172 = 479 - Column Addition

See Also

Addition with Regrouping Calculator - Column addition step by step, with every carry
Long Division Calculator - Step-by-step long division with detailed explanation
Long Multiplication Calculator - Column multiplication with partial products, step by step
Subtracting Fractions Calculator - Subtract fractions, mixed numbers and whole numbers step by step

Recalculate with different values ↑

Column subtractions of 172

Example	Difference
344 − 172	172
359 − 172	187
375 − 172	203
386 − 172	214
411 − 172	239
428 − 172	256
440 − 172	268
463 − 172	291
479 − 172	307
497 − 172	325
520 − 172	348
526 − 172	354
548 − 172	376
561 − 172	389
574 − 172	402
599 − 172	427
625 − 172	453
640 − 172	468
657 − 172	485
691 − 172	519

FAQ

What is 479 − 172?

479 − 172 = 307

How do you check that 479 − 172 = 307?

Add the difference and the subtrahend: 307 + 172 = 479. Getting the minuend back means the difference is right.

How many times do you borrow in 479 − 172?

Not once: every top digit is at least as large as the digit below it.

See Also