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Add 1/21 and 90/16

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

1/21 + 90/16 is 953/168.

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,
    1/21 = 1 × 16/21 × 16 = 16/336
  3. Likewise, for the 2nd fraction, since 16 × 21 = 336,
    90/16 = 90 × 21/16 × 21 = 1890/336
  4. Add the two fractions:
    16/336 + 1890/336 = 16 + 1890/336 = 1906/336
  5. 1906/336 simplified gives 953/168
  6. So, 1/21 + 90/16 = 953/168
    In mixed form: 5113/168

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