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Add 12/54 and 70/72

12/54 + 70/72 is 43/36.

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,
    12/54 = 12 × 4/54 × 4 = 48/216
  3. Likewise, for the 2nd fraction, since 72 × 3 = 216,
    70/72 = 70 × 3/72 × 3 = 210/216
  4. Add the two like fractions:
    48/216 + 210/216 = 48 + 210/216 = 258/216
  5. 258/216 simplified gives 43/36
  6. So, 12/54 + 70/72 = 43/36
    In mixed form: 17/36

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