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Recognised as Fraction

-15/2

  • Improper fraction
  • Already in lowest terms
  • -7.5

-15/2 is an improper fraction equal to -7.5, or -750%. It is already in its lowest terms. Its decimal expansion terminates.

Value

As a decimal-7.5
As a percentage-750%
Simplified-15/2
As a mixed number-7 1/2
Reciprocal2/-15
Decimal expansionTerminatingthe denominator has only 2s and 5s as prime factors

Numerator & denominator

Numerator-15
Denominator2
Greatest common divisor1
Lowest common multiple30
Numerator is primeNo
Denominator is primeYes
CoprimeYesno shared factor above 1

Equivalent fractions

× 2-30/4
× 3-45/6
× 4-60/8
× 5-75/10
× 6-90/12
× 10-150/20

Arithmetic

Double-15
Half-15/4
Squared225/4
Plus one-13/2
Minus one-17/2
Square root2.7386127875≈

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Every value on this page was computed from “-15 over 2” by Nerdulator’s maths engine. Nothing here was retrieved from a database of answers or written by a model.