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Subtract 24/60 from 20/70

20/70 - 24/60 is -4/35.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 60 is 420
  2. For the 1st fraction, since 70 × 6 = 420,
    20/70 = 20 × 6/70 × 6 = 120/420
  3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
    24/60 = 24 × 7/60 × 7 = 168/420
  4. Subtract the two fractions:
    120/420 - 168/420 = 120 - 168/420 = -48/420
  5. After reducing the fraction, the answer is -4/35

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