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Add 42/15 and 3/54

1st number: 2 12/15, 2nd number: 3/54

42/15 + 3/54 is 257/90.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 54 is 270

    Next, find the equivalent fraction of both fractional numbers with denominator 270
  2. For the 1st fraction, since 15 × 18 = 270,
    42/15 = 42 × 18/15 × 18 = 756/270
  3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
    3/54 = 3 × 5/54 × 5 = 15/270
  4. Add the two like fractions:
    756/270 + 15/270 = 756 + 15/270 = 771/270
  5. 771/270 simplified gives 257/90
  6. So, 42/15 + 3/54 = 257/90
    In mixed form: 277/90

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