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Subtract 98/63 from 25/40

1st number: 25/40, 2nd number: 1 35/63

25/40 - 98/63 is -67/72.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 40 and 63 is 2520
  2. For the 1st fraction, since 40 × 63 = 2520,
    25/40 = 25 × 63/40 × 63 = 1575/2520
  3. Likewise, for the 2nd fraction, since 63 × 40 = 2520,
    98/63 = 98 × 40/63 × 40 = 3920/2520
  4. Subtract the two fractions:
    1575/2520 - 3920/2520 = 1575 - 3920/2520 = -2345/2520
  5. After reducing the fraction, the answer is -67/72

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