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Recognised as Fraction

-18/7

  • Improper fraction
  • Already in lowest terms
  • -2.571429

-18/7 is an improper fraction equal to -2.5714285714, or -257.142857%. It is already in its lowest terms. Its decimal expansion recurs.

Value

As a decimal-2.571428571429≈
As a percentage-257.14285714%
Simplified-18/7
As a mixed number-2 4/7
Reciprocal7/-18
Decimal expansionRecurringthe denominator has a prime factor other than 2 or 5

Numerator & denominator

Numerator-18
Denominator7
Greatest common divisor1
Lowest common multiple126
Numerator is primeNo
Denominator is primeYes
CoprimeYesno shared factor above 1

Equivalent fractions

× 2-36/14
× 3-54/21
× 4-72/28
× 5-90/35
× 6-108/42
× 10-180/70

Arithmetic

Double-36/7
Half-9/7
Squared324/49
Plus one-11/7
Minus one-25/7
Square root1.6035674515≈

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Every value on this page was computed from “-18 over 7” by Nerdulator’s maths engine. Nothing here was retrieved from a database of answers or written by a model.