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Subtract 42/63 from 8/60

8/60 - 42/63 is -8/15.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 60 and 63 is 1260
  2. For the 1st fraction, since 60 × 21 = 1260,
    8/60 = 8 × 21/60 × 21 = 168/1260
  3. Likewise, for the 2nd fraction, since 63 × 20 = 1260,
    42/63 = 42 × 20/63 × 20 = 840/1260
  4. Subtract the two fractions:
    168/1260 - 840/1260 = 168 - 840/1260 = -672/1260
  5. After reducing the fraction, the answer is -8/15

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