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Subtract 42/60 from 25/84

25/84 - 42/60 is -169/420.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 60 is 420
  2. For the 1st fraction, since 84 × 5 = 420,
    25/84 = 25 × 5/84 × 5 = 125/420
  3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
    42/60 = 42 × 7/60 × 7 = 294/420
  4. Subtract the two fractions:
    125/420 - 294/420 = 125 - 294/420 = -169/420

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