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Subtract 48/18 from 9/20

1st number: 9/20, 2nd number: 2 12/18

9/20 - 48/18 is -133/60.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 18 is 180
  2. For the 1st fraction, since 20 × 9 = 180,
    9/20 = 9 × 9/20 × 9 = 81/180
  3. Likewise, for the 2nd fraction, since 18 × 10 = 180,
    48/18 = 48 × 10/18 × 10 = 480/180
  4. Subtract the two fractions:
    81/180 - 480/180 = 81 - 480/180 = -399/180
  5. After reducing the fraction, the answer is -133/60

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