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Add 80/15 and 21/30

1st number: 5 5/15, 2nd number: 21/30

80/15 + 21/30 is 181/30.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 30 is 30
  2. For the 1st fraction, since 15 × 2 = 30,
    80/15 = 80 × 2/15 × 2 = 160/30
  3. Likewise, for the 2nd fraction, since 30 × 1 = 30,
    21/30 = 21 × 1/30 × 1 = 21/30
  4. Add the two fractions:
    160/30 + 21/30 = 160 + 21/30 = 181/30
  5. So, 80/15 + 21/30 = 181/30
    In mixed form: 61/30

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