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Subtract 63/8 from 18/60

1st number: 18/60, 2nd number: 7 7/8

18/60 - 63/8 is -303/40.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 60 and 8 is 120
  2. For the 1st fraction, since 60 × 2 = 120,
    18/60 = 18 × 2/60 × 2 = 36/120
  3. Likewise, for the 2nd fraction, since 8 × 15 = 120,
    63/8 = 63 × 15/8 × 15 = 945/120
  4. Subtract the two fractions:
    36/120 - 945/120 = 36 - 945/120 = -909/120
  5. After reducing the fraction, the answer is -303/40

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