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Subtract 24/70 from 15/60

15/60 - 24/70 is -13/140.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 60 and 70 is 420
  2. For the 1st fraction, since 60 × 7 = 420,
    15/60 = 15 × 7/60 × 7 = 105/420
  3. Likewise, for the 2nd fraction, since 70 × 6 = 420,
    24/70 = 24 × 6/70 × 6 = 144/420
  4. Subtract the two fractions:
    105/420 - 144/420 = 105 - 144/420 = -39/420
  5. After reducing the fraction, the answer is -13/140

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