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Add 27/54 and 42/72

27/54 + 42/72 is 13/12.

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,
    27/54 = 27 × 4/54 × 4 = 108/216
  3. Likewise, for the 2nd fraction, since 72 × 3 = 216,
    42/72 = 42 × 3/72 × 3 = 126/216
  4. Add the two like fractions:
    108/216 + 126/216 = 108 + 126/216 = 234/216
  5. 234/216 simplified gives 13/12
  6. So, 27/54 + 42/72 = 13/12
    In mixed form: 11/12

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