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Subtract 35/27 from 28/70

1st number: 28/70, 2nd number: 1 8/27

28/70 - 35/27 is -121/135.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 27 is 1890
  2. For the 1st fraction, since 70 × 27 = 1890,
    28/70 = 28 × 27/70 × 27 = 756/1890
  3. Likewise, for the 2nd fraction, since 27 × 70 = 1890,
    35/27 = 35 × 70/27 × 70 = 2450/1890
  4. Subtract the two fractions:
    756/1890 - 2450/1890 = 756 - 2450/1890 = -1694/1890
  5. After reducing the fraction, the answer is -121/135

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