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Add 27/21 and 90/16

1st number: 1 6/21, 2nd number: 5 10/16

27/21 + 90/16 is 387/56.

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,
    27/21 = 27 × 16/21 × 16 = 432/336
  3. Likewise, for the 2nd fraction, since 16 × 21 = 336,
    90/16 = 90 × 21/16 × 21 = 1890/336
  4. Add the two like fractions:
    432/336 + 1890/336 = 432 + 1890/336 = 2322/336
  5. 2322/336 simplified gives 387/56
  6. So, 27/21 + 90/16 = 387/56
    In mixed form: 651/56

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