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    Least Common Denominators

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    Add 5/7 + 2/5 + 1/15.

    © BrainMass Inc. brainmass.com March 4, 2021, 5:49 pm ad1c9bdddf
    https://brainmass.com/math/fractions-and-percentages/least-common-denominators-12602

    Solution Preview

    Thank you for the opportunity to help.

    To solve this problem, adding fractions, you must find a common denominator. The easiest way is to multiply the three denominators together. This certainly ensures that each denominator is a divisor of teh common denominator.

    Let's try: 7*5*15 = 525
    So multiplying each numerator to convert the fraction to ...

    Solution Summary

    The least common denominators are found.

    $2.49

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