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Add 2/21 and 84/72

1st number: 2/21, 2nd number: 1 12/72

2/21 + 84/72 is 53/42.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 72 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 21 × 24 = 504,
    2/21 = 2 × 24/21 × 24 = 48/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    84/72 = 84 × 7/72 × 7 = 588/504
  4. Add the two like fractions:
    48/504 + 588/504 = 48 + 588/504 = 636/504
  5. 636/504 simplified gives 53/42
  6. So, 2/21 + 84/72 = 53/42
    In mixed form: 111/42

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