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Add 18/28 and 25/40

18/28 + 25/40 is 71/56.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 40 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 28 × 10 = 280,
    18/28 = 18 × 10/28 × 10 = 180/280
  3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
    25/40 = 25 × 7/40 × 7 = 175/280
  4. Add the two like fractions:
    180/280 + 175/280 = 180 + 175/280 = 355/280
  5. 355/280 simplified gives 71/56
  6. So, 18/28 + 25/40 = 71/56
    In mixed form: 115/56

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