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Add 60/16 and 28/21

1st number: 3 12/16, 2nd number: 1 7/21

60/16 + 28/21 is 61/12.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 21 is 336

    Next, find the equivalent fraction of both fractional numbers with denominator 336
  2. For the 1st fraction, since 16 × 21 = 336,
    60/16 = 60 × 21/16 × 21 = 1260/336
  3. Likewise, for the 2nd fraction, since 21 × 16 = 336,
    28/21 = 28 × 16/21 × 16 = 448/336
  4. Add the two like fractions:
    1260/336 + 448/336 = 1260 + 448/336 = 1708/336
  5. 1708/336 simplified gives 61/12
  6. So, 60/16 + 28/21 = 61/12
    In mixed form: 51/12

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