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Add 1/54 and 90/72

1st number: 1/54, 2nd number: 1 18/72

1/54 + 90/72 is 137/108.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 54 and 72 is 216

    Next, find the equivalent fraction of both fractional numbers with denominator 216
  2. For the 1st fraction, since 54 × 4 = 216,
    1/54 = 1 × 4/54 × 4 = 4/216
  3. Likewise, for the 2nd fraction, since 72 × 3 = 216,
    90/72 = 90 × 3/72 × 3 = 270/216
  4. Add the two like fractions:
    4/216 + 270/216 = 4 + 270/216 = 274/216
  5. 274/216 simplified gives 137/108
  6. So, 1/54 + 90/72 = 137/108
    In mixed form: 129/108

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