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Add 18/21 and 90/16

1st number: 18/21, 2nd number: 5 10/16

18/21 + 90/16 is 363/56.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 21 and 16 is 336
  2. For the 1st fraction, since 21 × 16 = 336,
    18/21 = 18 × 16/21 × 16 = 288/336
  3. Likewise, for the 2nd fraction, since 16 × 21 = 336,
    90/16 = 90 × 21/16 × 21 = 1890/336
  4. Add the two fractions:
    288/336 + 1890/336 = 288 + 1890/336 = 2178/336
  5. After reducing the fraction, the answer is 363/56
  6. In mixed form: 627/56

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