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Add 21/14 and 30/72

1st number: 1 7/14, 2nd number: 30/72

21/14 + 30/72 is 23/12.

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,
    21/14 = 21 × 36/14 × 36 = 756/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    30/72 = 30 × 7/72 × 7 = 210/504
  4. Add the two like fractions:
    756/504 + 210/504 = 756 + 210/504 = 966/504
  5. 966/504 simplified gives 23/12
  6. So, 21/14 + 30/72 = 23/12
    In mixed form: 111/12

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