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Recognised as Fraction

15/18

  • Proper fraction
  • Simplifies to 5/6
  • 0.833333

15/18 is a proper fraction equal to 0.8333333333, or 83.333333%. In lowest terms it is 5/6. Its decimal expansion recurs.

Value

As a decimal0.833333333333
As a percentage83.33333333%
Simplified5/6
Reciprocal18/15
Decimal expansionRecurringthe denominator has a prime factor other than 2 or 5

Numerator & denominator

Numerator15
Denominator18
Greatest common divisor3
Lowest common multiple90
Numerator is primeNo
Denominator is primeNo
CoprimeNono shared factor above 1

Equivalent fractions

× 210/12
× 315/18
× 420/24
× 525/30
× 630/36
× 1050/60

Arithmetic

Double10/6
Half5/12
Squared25/36
Plus one11/6
Minus one-1/6
Square root0.9128709292

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Every value on this page was computed from “15 over 18” by Nerdulator’s maths engine. Nothing here was retrieved from a database of answers or written by a model.