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Add 28/54 and 40/72

28/54 + 40/72 is 29/27.

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,
    28/54 = 28 × 4/54 × 4 = 112/216
  3. Likewise, for the 2nd fraction, since 72 × 3 = 216,
    40/72 = 40 × 3/72 × 3 = 120/216
  4. Add the two like fractions:
    112/216 + 120/216 = 112 + 120/216 = 232/216
  5. 232/216 simplified gives 29/27
  6. So, 28/54 + 40/72 = 29/27
    In mixed form: 12/27

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