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Add 20/14 and 84/72

1st number: 1 6/14, 2nd number: 1 12/72

20/14 + 84/72 is 109/42.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 14 × 36 = 504,
    20/14 = 20 × 36/14 × 36 = 720/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    84/72 = 84 × 7/72 × 7 = 588/504
  4. Add the two like fractions:
    720/504 + 588/504 = 720 + 588/504 = 1308/504
  5. 1308/504 simplified gives 109/42
  6. So, 20/14 + 84/72 = 109/42
    In mixed form: 225/42

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