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Add 81/72 and 20/14

1st number: 1 9/72, 2nd number: 1 6/14

81/72 + 20/14 is 143/56.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 14 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 72 × 7 = 504,
    81/72 = 81 × 7/72 × 7 = 567/504
  3. Likewise, for the 2nd fraction, since 14 × 36 = 504,
    20/14 = 20 × 36/14 × 36 = 720/504
  4. Add the two like fractions:
    567/504 + 720/504 = 567 + 720/504 = 1287/504
  5. 1287/504 simplified gives 143/56
  6. So, 81/72 + 20/14 = 143/56
    In mixed form: 231/56

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