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Subtract 98/63 from 15/28

1st number: 15/28, 2nd number: 1 35/63

15/28 - 98/63 is -257/252.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 63 is 252
  2. For the 1st fraction, since 28 × 9 = 252,
    15/28 = 15 × 9/28 × 9 = 135/252
  3. Likewise, for the 2nd fraction, since 63 × 4 = 252,
    98/63 = 98 × 4/63 × 4 = 392/252
  4. Subtract the two fractions:
    135/252 - 392/252 = 135 - 392/252 = -257/252

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