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Add 80/15 and 9/28

1st number: 5 5/15, 2nd number: 9/28

80/15 + 9/28 is 475/84.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 28 is 420
  2. For the 1st fraction, since 15 × 28 = 420,
    80/15 = 80 × 28/15 × 28 = 2240/420
  3. Likewise, for the 2nd fraction, since 28 × 15 = 420,
    9/28 = 9 × 15/28 × 15 = 135/420
  4. Add the two fractions:
    2240/420 + 135/420 = 2240 + 135/420 = 2375/420
  5. 2375/420 simplified gives 475/84
  6. So, 80/15 + 9/28 = 475/84
    In mixed form: 555/84

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