Long Division: 21 ÷ 20

Long Division Calculator

How to divide 21 by 20 using long division and find the remainder?

Answer

21 ÷ 20 = 1 remainder 1

= 1.05

Remainder 1 is less than the divisor 20. Check: 1 × 20 + 1 = 21.

21 ÷ 20 in a column

				1
2	0		2	1
		−	2	0
				1

Step by step: 21 ÷ 20

Step 121 ÷ 20 → 1: 1 × 20 = 20, 21 − 20 = 1
Quotient and remainder1 remainder 1

After the point, add a zero to the remainder: 10 ÷ 20 → 0, remainder 10; 100 ÷ 20 → 5, remainder 0; remainder 0 — the decimal ends.

21 ÷ 20 = 1.05

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Number Facts & Properties - All information about a specific number (spelling, factors, prime check, binary, hexadecimal, QR Code, Barcode and more)
Factors of a Number - List all Factors and Factor Pairs of a Number
Greatest Common Factor - Find the Greatest Common Factor (GCF) of two numbers
Least Common Multiple - Find the Least Common Multiple (LCM) of two numbers
Percentage Calculator: Fraction to Percent - What percentage one number is of another? Convert fraction into a percentage

Recalculate with different values ↑

Long Division Table

Division	Quotient	Remainder
11 ÷ 20	0	11
12 ÷ 20	0	12
13 ÷ 20	0	13
14 ÷ 20	0	14
15 ÷ 20	0	15
19 ÷ 20	0	19
20 ÷ 20	1	0
21 ÷ 20	1	1
22 ÷ 20	1	2
23 ÷ 20	1	3
25 ÷ 20	1	5
32 ÷ 20	1	12
40 ÷ 20	2	0
41 ÷ 20	2	1
42 ÷ 20	2	2

FAQ

How to divide 21 by 20 using long division and find the remainder?

21 ÷ 20 = 1 remainder 1

Is 21 divisible by 20?

No, 21 is not divisible by 20. The remainder is 1.

How to check the result of 21 ÷ 20?

Multiply the quotient 1 by the divisor 20 and add the remainder 1. The result should equal 21.

See Also