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Add 72/84 and 81/72

1st number: 72/84, 2nd number: 1 9/72

72/84 + 81/72 is 111/56.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 72 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 84 × 6 = 504,
    72/84 = 72 × 6/84 × 6 = 432/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    81/72 = 81 × 7/72 × 7 = 567/504
  4. Add the two like fractions:
    432/504 + 567/504 = 432 + 567/504 = 999/504
  5. 999/504 simplified gives 111/56
  6. So, 72/84 + 81/72 = 111/56
    In mixed form: 155/56

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