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Subtract 48/18 from 18/20

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

18/20 - 48/18 is -53/30.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 18 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 20 × 9 = 180,
    18/20 = 18 × 9/20 × 9 = 162/180
  3. Likewise, for the 2nd fraction, since 18 × 10 = 180,
    48/18 = 48 × 10/18 × 10 = 480/180
  4. Subtract the two like fractions:
    162/180 - 480/180 = 162 - 480/180 = -318/180
  5. After reducing the fraction, the answer is -53/30

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