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Add 81/98 and 63/72

81/98 + 63/72 is 667/392.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 72 is 3528

    Next, find the equivalent fraction of both fractional numbers with denominator 3528
  2. For the 1st fraction, since 98 × 36 = 3528,
    81/98 = 81 × 36/98 × 36 = 2916/3528
  3. Likewise, for the 2nd fraction, since 72 × 49 = 3528,
    63/72 = 63 × 49/72 × 49 = 3087/3528
  4. Add the two like fractions:
    2916/3528 + 3087/3528 = 2916 + 3087/3528 = 6003/3528
  5. 6003/3528 simplified gives 667/392
  6. So, 81/98 + 63/72 = 667/392
    In mixed form: 1275/392

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