Calculators & Converters

    What is 1/4 - 1/8?

    Fraction Calculator

    getcalc.com's two fractions subtraction calculator is an online basic math function tool to find what's the equivalent fraction for difference between two fractional numbers with different, unequal or unlike denominators 1/4 and 1/8.

    1/4 - 1/8 = 4/32 as simplified as 1/8 in fraction form

    1/4 - 1/8 = 0.125 in decimal form
    This calculator, formula, step by step calculation and associated information to find the difference between 1/4 & 1/8 may help students, teachers, parents or professionals to learn, teach, practice or verify such two fractions subtraction calculations efficiently.

    How to Find Equivalent Fraction for 1/4-1/8?

    The below workout with step by step calculation shows how to find what is the difference between two fractions by subtracting a fraction 1/8 from 1/4. For different, unequal or unlike denominators, use any one of the following methods to find the equivalent fraction for 1/4 minus 1/8.
    1. LCM method
    2. Cross multiplication method.

    Problem & Workout - LCM Method
    What is 1/4 minus 1/8 as a fraction by subtraction using LCM method?

    step 1 Address formula, input parameters & values.
    Input parameters & values:
    1/4 & 1/8
    1/4-1/8 = ?

    step 2 For unequal denominators, find the LCM (least common multiple) for both denominators
    The LCM for 4 and 8 is 8.

    step 3 To have the common denominator, multiply the LCM with both numerator & denominator
    =(1 x 8)/(4 x 8)-(1 x 8)/(8 x 8)
    =2/8-1/8
    =(2 - 1)/8

    step 4 Find difference between numerators and rewrite it in a single form.
    =1/8
    1/4-1/8=1/8

    By using LCM method, 1/8 is the equivalent fraction by subtracting 1/8 from 1/4.



    Problem & Workout - Cross Multiplication Method
    step 1 Address formula, input parameters & values.
    Input parameters & values:
    1/4 & 1/8
    1/4 - 1/8 = ?

    step 2 Cross multiply both numerator & denominator, multiply both denominators and rewrite as below
    = (1 x 8) - (1 x 4)/(4 x 8)

    step 3 Simplify & rewrite the fraction
    = (8 - 4)/32
    = 4/32
    = 1/8
    1/4-1/8 = 1/8
    By using cross multiplication method, 1/8 is the difference between two fractions 1/4 and 1/8.

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