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Add 63/72 and 21/49

63/72 + 21/49 is 73/56.

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,
    63/72 = 63 × 49/72 × 49 = 3087/3528
  3. Likewise, for the 2nd fraction, since 49 × 72 = 3528,
    21/49 = 21 × 72/49 × 72 = 1512/3528
  4. Add the two like fractions:
    3087/3528 + 1512/3528 = 3087 + 1512/3528 = 4599/3528
  5. 4599/3528 simplified gives 73/56
  6. So, 63/72 + 21/49 = 73/56
    In mixed form: 117/56

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