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Add 56/72 and 15/49

56/72 + 15/49 is 478/441.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 49 is 3528

    Next, find the equivalent fraction of both fractional numbers with denominator 3528
  2. For the 1st fraction, since 72 × 49 = 3528,
    56/72 = 56 × 49/72 × 49 = 2744/3528
  3. Likewise, for the 2nd fraction, since 49 × 72 = 3528,
    15/49 = 15 × 72/49 × 72 = 1080/3528
  4. Add the two like fractions:
    2744/3528 + 1080/3528 = 2744 + 1080/3528 = 3824/3528
  5. 3824/3528 simplified gives 478/441
  6. So, 56/72 + 15/49 = 478/441
    In mixed form: 137/441

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