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Subtract 8/35 from 5/42

5/42 - 8/35 is -23/210.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 35 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 42 × 5 = 210,
    5/42 = 5 × 5/42 × 5 = 25/210
  3. Likewise, for the 2nd fraction, since 35 × 6 = 210,
    8/35 = 8 × 6/35 × 6 = 48/210
  4. Subtract the two like fractions:
    25/210 - 48/210 = 25 - 48/210 = -23/210

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