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Add 1/21 and 28/16

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

1/21 + 28/16 is 151/84.

Steps for adding fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 336
  2. For the 1st fraction, since 21 × 16 = 336,
    1/21 = 1 × 16/21 × 16 = 16/336
  3. Likewise, for the 2nd fraction, since 16 × 21 = 336,
    28/16 = 28 × 21/16 × 21 = 588/336
  4. Add the two like fractions:
    16/336 + 588/336 = 16 + 588/336 = 604/336
  5. 604/336 simplified gives 151/84
  6. So, 1/21 + 28/16 = 151/84
    In mixed form: 167/84

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