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Add 28/72 and 25/40

28/72 + 25/40 is 73/72.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 72 and 40 is 360

    Next, find the equivalent fraction of both fractional numbers with denominator 360
  2. For the 1st fraction, since 72 × 5 = 360,
    28/72 = 28 × 5/72 × 5 = 140/360
  3. Likewise, for the 2nd fraction, since 40 × 9 = 360,
    25/40 = 25 × 9/40 × 9 = 225/360
  4. Add the two like fractions:
    140/360 + 225/360 = 140 + 225/360 = 365/360
  5. 365/360 simplified gives 73/72
  6. So, 28/72 + 25/40 = 73/72
    In mixed form: 11/72

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