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Subtract 98/63 from 25/20

1st number: 1 5/20, 2nd number: 1 35/63

25/20 - 98/63 is -11/36.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 63 is 1260
  2. For the 1st fraction, since 20 × 63 = 1260,
    25/20 = 25 × 63/20 × 63 = 1575/1260
  3. Likewise, for the 2nd fraction, since 63 × 20 = 1260,
    98/63 = 98 × 20/63 × 20 = 1960/1260
  4. Subtract the two fractions:
    1575/1260 - 1960/1260 = 1575 - 1960/1260 = -385/1260
  5. After reducing the fraction, the answer is -11/36

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