Calculators & Converters

    What is 12/5 + 3/12?

    Fraction Calculator

    getcalc.com's two fractions addition calculator is an online basic math function tool to find what's the equivalent fraction for sum of two fractional numbers with different, unequal or unlike denominators 12/5 and 3/12.

    12/5 + 3/12 = 159/60 as simplified as 53/20 in fraction form

    12/5 + 3/12 = 2.65 in decimal form
    This calculator, formula, step by step calculation and associated information for adding 12/5 and 3/12 may help students, teachers, parents or professionals to learn, teach, practice or verify such two fractions addition calculations efficiently.

    How to Find Equivalent Fraction for 12/5+3/12?

    The below workout with step by step calculation shows how to find the equivalent fraction between 12/5 and 3/12 by adding two fractions with different, unequal or unlike denominators. The sum in fraction form for 12/5 plus 3/12 can be obtained by using anyone of the two methods below.
    1. LCM method
    2. Cross multiplication method.

    Problem and Workout - LCM Method
    What is 12/5 plus 3/12 as a fraction by addition using LCM method?

    step 1 Address formula, input parameters and values.
    Input parameters and values:
    12/5 & 3/12
    12/5+3/12 = ?

    step 2 For unequal denominators, find the LCM (least common multiple) for both denominators
    The LCM for 5 and 12 is 60.

    step 3 To have the common denominator, multiply the LCM with both numerator and denominator
    =(12 x 60)/(5 x 60)+(3 x 60)/(12 x 60)
    =144/60+15/60
    =(144 + 15)/60

    step 4 Add both numerator and rewrite it in a single form.
    = 159/60
    =53/20
    12/5+3/12=53/20

    By using LCM method, 53/20 is the equivalent fraction by adding 12/5 and 3/12.



    Problem and Workout - Cross Multiplication Method
    step 1 Address formula and input values.
    Input values:
    12/5 & 3/12
    12/5 + 3/12 = ?

    step 2 Cross multiply both numerator and denominator, multiply both denominators and rewrite as below
    = (12 x 12) + (3 x 5)/(5 x 12)

    step 3 Simplify and rewrite the fraction
    = (144 + 15)/60
    = 159/60
    = 53/20
    12/5+3/12 = 53/20
    By using cross multiplication method, 53/20 is the addition between two fractions 12/5 and 3/12.

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