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Add 3/28 and 15/35

3/28 + 15/35 is 15/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 35 is 140
  2. For the 1st fraction, since 28 × 5 = 140,
    3/28 = 3 × 5/28 × 5 = 15/140
  3. Likewise, for the 2nd fraction, since 35 × 4 = 140,
    15/35 = 15 × 4/35 × 4 = 60/140
  4. Add the two fractions:
    15/140 + 60/140 = 15 + 60/140 = 75/140
  5. After reducing the fraction, the answer is 15/28

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