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Add 14/5 and 80/21

1st number: 2 4/5, 2nd number: 3 17/21

14/5 + 80/21 is 694/105.

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,
    14/5 = 14 × 21/5 × 21 = 294/105
  3. Likewise, for the 2nd fraction, since 21 × 5 = 105,
    80/21 = 80 × 5/21 × 5 = 400/105
  4. Add the two like fractions:
    294/105 + 400/105 = 294 + 400/105 = 694/105
  5. So, 14/5 + 80/21 = 694/105
    In mixed form: 664/105

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