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Subtract 70/72 from 10/25

10/25 - 70/72 is -103/180.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 72 is 1800
  2. For the 1st fraction, since 25 × 72 = 1800,
    10/25 = 10 × 72/25 × 72 = 720/1800
  3. Likewise, for the 2nd fraction, since 72 × 25 = 1800,
    70/72 = 70 × 25/72 × 25 = 1750/1800
  4. Subtract the two fractions:
    720/1800 - 1750/1800 = 720 - 1750/1800 = -1030/1800
  5. After reducing the fraction, the answer is -103/180

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