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Add 20/25 and 25/70

20/25 + 25/70 is 81/70.

Steps for adding fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 70 is 350
  2. For the 1st fraction, since 25 × 14 = 350,
    20/25 = 20 × 14/25 × 14 = 280/350
  3. Likewise, for the 2nd fraction, since 70 × 5 = 350,
    25/70 = 25 × 5/70 × 5 = 125/350
  4. Add the two fractions:
    280/350 + 125/350 = 280 + 125/350 = 405/350
  5. After reducing the fraction, the answer is 81/70
  6. In mixed form: 111/70

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