Calculators & Converters

    What is the Reduced Fraction for 15/18?

    Fraction Simplification Calculator

    getcalc.com's fraction simplification calculator to find what's a reduced or simplest form for 15/18 at its lowest terms. 5/6 is a simplified fraction for 15/18

    How to Simplify Fraction 15/18 to its Lowest Term?

    The below workout with step by step calculation shows how to simplify the fraction 15/18 to its lowest term or simplest form. The below are the two methods used to convert the fraction to its lowest terms.
    1. GCD or HCF method             
    2. Prime factorization method
    GCD Method :
    step 1 Address the formula, input parameters & values.
    Input parameters & values:
    The given fraction = 15/18

    step 2 Find GCD (Greatest Common Factor) for both numerator & denominator.
    The GCF for 15 & 18 is 3

    step 3 divide the numerator & denominator by GCD 3 and rewrite the fraction
    = (15/3) / (18/3)
    = 5/6

    Thus, 5/6 is the simplified fraction for 15/18 by using the GCD or HCF method.

    Prime Factorization Method :
    step 1 Address input parameters & values.
    Input parameters & values:
    The given fraction = 15/18

    step 2 Find prime factors for both numerator & denominator and rewrite the fraction in the form of prime factors
    Prime factors for 15 = 3 x 5
    Prime factors for 18 = 2 x 3 x 3
    = (3 x 5) / (2 x 3 x 3)

    step 3 solve & rewrite the fraction
    = ( 5)/(2 x 3)
    = 5/6

    Thus, 5/6 is the simplified fraction for 15/18 by using the prime factorization method.

    Chart

    User may refer the below chart for simplest form of 15/18 and its nearest values.
    FractionReduced FormDecimal Value
    12/154/50.8
    12/214/70.5714
    15/185/60.8333
    15/215/70.7143
    15/245/80.625
    18/156/51.2
    18/216/70.8571
    21/157/51.4
    21/187/61.1667
    21/247/80.875
    24/158/51.6
    24/218/71.1429
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