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Fraction

-5/21

  • Proper fraction
  • Already in lowest terms
  • -0.238095

-5/21 is a proper fraction equal to -0.2380952381, or -23.809524%. It is already in its lowest terms. Its decimal expansion recurs.

Value

As a decimal-0.238095238095≈
As a percentage-23.80952381%
Simplified-5/21
Reciprocal21/-5
Decimal expansionRecurringthe denominator has a prime factor other than 2 or 5

Numerator & denominator

Numerator-5
Denominator21
Greatest common divisor1
Lowest common multiple105
Numerator is primeYes
Denominator is primeNo
CoprimeYesno shared factor above 1

Equivalent fractions

× 2-10/42
× 3-15/63
× 4-20/84
× 5-25/105
× 6-30/126
× 10-50/210

Arithmetic

Double-10/21
Half-5/42
Squared25/441
Plus one16/21
Minus one-26/21
Square root0.4879500365≈

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Every value on this page was computed from “-5 over 21” by Nerdulator’s maths engine. Nothing here was retrieved from a database of answers or written by a model.