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Add 9/56 and 9/70

9/56 + 9/70 is 81/280.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 70 is 280
  2. For the 1st fraction, since 56 × 5 = 280,
    9/56 = 9 × 5/56 × 5 = 45/280
  3. Likewise, for the 2nd fraction, since 70 × 4 = 280,
    9/70 = 9 × 4/70 × 4 = 36/280
  4. Add the two fractions:
    45/280 + 36/280 = 45 + 36/280 = 81/280
  5. So, 9/56 + 9/70 = 81/280

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