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Subtract 70/36 from 20/25

1st number: 20/25, 2nd number: 1 34/36

20/25 - 70/36 is -103/90.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 36 is 900
  2. For the 1st fraction, since 25 × 36 = 900,
    20/25 = 20 × 36/25 × 36 = 720/900
  3. Likewise, for the 2nd fraction, since 36 × 25 = 900,
    70/36 = 70 × 25/36 × 25 = 1750/900
  4. Subtract the two fractions:
    720/900 - 1750/900 = 720 - 1750/900 = -1030/900
  5. After reducing the fraction, the answer is -103/90

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