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Subtract 20/35 from 30/56

30/56 - 20/35 is -1/28.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 56 and 35 is 280

    Next, find the equivalent fraction of both fractional numbers with denominator 280
  2. For the 1st fraction, since 56 × 5 = 280,
    30/56 = 30 × 5/56 × 5 = 150/280
  3. Likewise, for the 2nd fraction, since 35 × 8 = 280,
    20/35 = 20 × 8/35 × 8 = 160/280
  4. Subtract the two like fractions:
    150/280 - 160/280 = 150 - 160/280 = -10/280
  5. After reducing the fraction, the answer is -1/28

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