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Subtract 48/60 from 3/90

3/90 - 48/60 is -23/30.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 60 is 180
  2. For the 1st fraction, since 90 × 2 = 180,
    3/90 = 3 × 2/90 × 2 = 6/180
  3. Likewise, for the 2nd fraction, since 60 × 3 = 180,
    48/60 = 48 × 3/60 × 3 = 144/180
  4. Subtract the two fractions:
    6/180 - 144/180 = 6 - 144/180 = -138/180
  5. After reducing the fraction, the answer is -23/30

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