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Add 9/70 and 5/20

9/70 + 5/20 is 53/140.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 20 is 140
  2. For the 1st fraction, since 70 × 2 = 140,
    9/70 = 9 × 2/70 × 2 = 18/140
  3. Likewise, for the 2nd fraction, since 20 × 7 = 140,
    5/20 = 5 × 7/20 × 7 = 35/140
  4. Add the two fractions:
    18/140 + 35/140 = 18 + 35/140 = 53/140

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