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Subtract 48/35 from 15/20

1st number: 15/20, 2nd number: 1 13/35

15/20 - 48/35 is -87/140.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 35 is 140
  2. For the 1st fraction, since 20 × 7 = 140,
    15/20 = 15 × 7/20 × 7 = 105/140
  3. Likewise, for the 2nd fraction, since 35 × 4 = 140,
    48/35 = 48 × 4/35 × 4 = 192/140
  4. Subtract the two fractions:
    105/140 - 192/140 = 105 - 192/140 = -87/140

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