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Subtract 45/27 from 24/70

1st number: 24/70, 2nd number: 1 18/27

24/70 - 45/27 is -139/105.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 27 is 1890

    Next, find the equivalent fraction of both fractional numbers with denominator 1890
  2. For the 1st fraction, since 70 × 27 = 1890,
    24/70 = 24 × 27/70 × 27 = 648/1890
  3. Likewise, for the 2nd fraction, since 27 × 70 = 1890,
    45/27 = 45 × 70/27 × 70 = 3150/1890
  4. Subtract the two like fractions:
    648/1890 - 3150/1890 = 648 - 3150/1890 = -2502/1890
  5. After reducing the fraction, the answer is -139/105

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