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Add 25/30 and 18/28

25/30 + 18/28 is 31/21.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 28 is 420
  2. For the 1st fraction, since 30 × 14 = 420,
    25/30 = 25 × 14/30 × 14 = 350/420
  3. Likewise, for the 2nd fraction, since 28 × 15 = 420,
    18/28 = 18 × 15/28 × 15 = 270/420
  4. Add the two fractions:
    350/420 + 270/420 = 350 + 270/420 = 620/420
  5. 620/420 simplified gives 31/21
  6. So, 25/30 + 18/28 = 31/21
    In mixed form: 110/21

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