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Add 16/5 and 7/21

1st number: 3 1/5, 2nd number: 7/21

16/5 + 7/21 is 53/15.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 21 is 105

    Next, find the equivalent fraction of both fractional numbers with denominator 105
  2. For the 1st fraction, since 5 × 21 = 105,
    16/5 = 16 × 21/5 × 21 = 336/105
  3. Likewise, for the 2nd fraction, since 21 × 5 = 105,
    7/21 = 7 × 5/21 × 5 = 35/105
  4. Add the two like fractions:
    336/105 + 35/105 = 336 + 35/105 = 371/105
  5. 371/105 simplified gives 53/15
  6. So, 16/5 + 7/21 = 53/15
    In mixed form: 38/15

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