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Add 5/7 and 2/8

5/7 + 2/8 is 27/28.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 8 is 56
  2. For the 1st fraction, since 7 × 8 = 56,
    5/7 = 5 × 8/7 × 8 = 40/56
  3. Likewise, for the 2nd fraction, since 8 × 7 = 56,
    2/8 = 2 × 7/8 × 7 = 14/56
  4. Add the two fractions:
    40/56 + 14/56 = 40 + 14/56 = 54/56
  5. 54/56 simplified gives 27/28
  6. So, 5/7 + 2/8 = 27/28

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