What is 20/42 as a Decimal?

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What is 20/42 as a decimal?

Answer

Fraction 20/42 as a decimal is
0.476190

≈ 0.48 to hundredths

Repeating decimal: 20/42 = 10/21 · denominator 21 = 3 × 7 has the factor 3, 7, not 2 or 5 · the bar marks the period 476190 — 6 digits repeat forever

20 ÷ 42 by long division

remainder×10= digit × 42 + new remainderdigit
202004 × 42 + 324
323207 × 42 + 267
262606 × 42 + 86
8801 × 42 + 381
383809 × 42 + 29
2200 × 42 + 200

Remainder 20 is back after the 6th division → the 6 digits 476190 repeat: 0.476190.

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Fraction to Decimal Conversion Table

FractionDecimal
20/210.952380
20/220.90
20/230.86956521739130…
20/240.83
20/250.8
20/260.769230
20/270.740
20/280.714285
20/290.68965517241379…
20/300.6
20/310.645161290322580
20/320.625
20/330.60
20/340.5882352941176470
20/350.571428
20/360.5
20/370.540
20/380.526315789473684210
20/390.512820
20/400.5
20/410.48780
20/420.476190
20/430.46511627906976…
20/440.45
20/450.4
20/460.43478260869565…
20/470.42553191489361…
20/480.416
20/500.4
20/1000.2

FAQ

What is 20/42 as a decimal?

Fraction 20/42 as a decimal is 0.(476190)

How do you convert 20/42 to a decimal?

To convert 20/42 to a decimal, divide the numerator by the denominator: 20 ÷ 42 = 0.(476190).

Why is 20/42 a repeating decimal?

In lowest terms its denominator 21 = 3 × 7 has the prime factor 3, 7, so the division never ends: a remainder comes back and the same digits repeat forever.

What is 20/42 as a percent?

Multiply by 100: 20/42 ≈ 47.62%.

See Also