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Subtract 49/48 from 40/70

1st number: 40/70, 2nd number: 1 1/48

40/70 - 49/48 is -151/336.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 48 is 1680
  2. For the 1st fraction, since 70 × 24 = 1680,
    40/70 = 40 × 24/70 × 24 = 960/1680
  3. Likewise, for the 2nd fraction, since 48 × 35 = 1680,
    49/48 = 49 × 35/48 × 35 = 1715/1680
  4. Subtract the two fractions:
    960/1680 - 1715/1680 = 960 - 1715/1680 = -755/1680
  5. After reducing the fraction, the answer is -151/336

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