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Add 4/28 and 7/15

4/28 + 7/15 is 64/105.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 15 is 420
  2. For the 1st fraction, since 28 × 15 = 420,
    4/28 = 4 × 15/28 × 15 = 60/420
  3. Likewise, for the 2nd fraction, since 15 × 28 = 420,
    7/15 = 7 × 28/15 × 28 = 196/420
  4. Add the two fractions:
    60/420 + 196/420 = 60 + 196/420 = 256/420
  5. After reducing the fraction, the answer is 64/105

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