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Add 5/3 and 15/21

1st number: 1 2/3, 2nd number: 15/21

5/3 + 15/21 is 50/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 21 is 21
  2. For the 1st fraction, since 3 × 7 = 21,
    5/3 = 5 × 7/3 × 7 = 35/21
  3. Likewise, for the 2nd fraction, since 21 × 1 = 21,
    15/21 = 15 × 1/21 × 1 = 15/21
  4. Add the two fractions:
    35/21 + 15/21 = 35 + 15/21 = 50/21
  5. In mixed form: 28/21

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