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Recognised as Fraction

-2/10

  • Proper fraction
  • Simplifies to -1/5
  • -0.2

-2/10 is a proper fraction equal to -0.2, or -20%. In lowest terms it is -1/5. Its decimal expansion terminates.

Value

As a decimal-0.2
As a percentage-20%
Simplified-1/5
Reciprocal10/-2
Decimal expansionTerminatingthe denominator has only 2s and 5s as prime factors

Numerator & denominator

Numerator-2
Denominator10
Greatest common divisor2
Lowest common multiple10
Numerator is primeYes
Denominator is primeNo
CoprimeNono shared factor above 1

Equivalent fractions

× 2-2/10
× 3-3/15
× 4-4/20
× 5-5/25
× 6-6/30
× 10-10/50

Arithmetic

Double-2/5
Half-1/10
Squared1/25
Plus one4/5
Minus one-6/5
Square root0.4472135955≈

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Every value on this page was computed from “-2 over 10” by Nerdulator’s maths engine. Nothing here was retrieved from a database of answers or written by a model.