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Add 63/15 and 20/54

1st number: 4 3/15, 2nd number: 20/54

63/15 + 20/54 is 617/135.

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,
    63/15 = 63 × 18/15 × 18 = 1134/270
  3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
    20/54 = 20 × 5/54 × 5 = 100/270
  4. Add the two like fractions:
    1134/270 + 100/270 = 1134 + 100/270 = 1234/270
  5. 1234/270 simplified gives 617/135
  6. So, 63/15 + 20/54 = 617/135
    In mixed form: 477/135

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