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Subtract 27/24 from 28/70

1st number: 28/70, 2nd number: 1 3/24

28/70 - 27/24 is -29/40.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 70 and 24 is 840

    Next, find the equivalent fraction of both fractional numbers with denominator 840
  2. For the 1st fraction, since 70 × 12 = 840,
    28/70 = 28 × 12/70 × 12 = 336/840
  3. Likewise, for the 2nd fraction, since 24 × 35 = 840,
    27/24 = 27 × 35/24 × 35 = 945/840
  4. Subtract the two like fractions:
    336/840 - 945/840 = 336 - 945/840 = -609/840
  5. After reducing the fraction, the answer is -29/40

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