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Add 84/15 and 42/54

1st number: 5 9/15, 2nd number: 42/54

84/15 + 42/54 is 287/45.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 54 is 270
  2. For the 1st fraction, since 15 × 18 = 270,
    84/15 = 84 × 18/15 × 18 = 1512/270
  3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
    42/54 = 42 × 5/54 × 5 = 210/270
  4. Add the two fractions:
    1512/270 + 210/270 = 1512 + 210/270 = 1722/270
  5. 1722/270 simplified gives 287/45
  6. So, 84/15 + 42/54 = 287/45
    In mixed form: 617/45

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