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Subtract 35/36 from 20/25

20/25 - 35/36 is -31/180.

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,
    35/36 = 35 × 25/36 × 25 = 875/900
  4. Subtract the two fractions:
    720/900 - 875/900 = 720 - 875/900 = -155/900
  5. After reducing the fraction, the answer is -31/180

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