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Subtract 72/60 from 4/70

1st number: 4/70, 2nd number: 1 12/60

4/70 - 72/60 is -8/7.

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,
    4/70 = 4 × 6/70 × 6 = 24/420
  3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
    72/60 = 72 × 7/60 × 7 = 504/420
  4. Subtract the two fractions:
    24/420 - 504/420 = 24 - 504/420 = -480/420
  5. After reducing the fraction, the answer is -8/7

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