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Subtract 3/7 from 5/30

5/30 - 3/7 is -11/42.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 7 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 30 × 7 = 210,
    5/30 = 5 × 7/30 × 7 = 35/210
  3. Likewise, for the 2nd fraction, since 7 × 30 = 210,
    3/7 = 3 × 30/7 × 30 = 90/210
  4. Subtract the two like fractions:
    35/210 - 90/210 = 35 - 90/210 = -55/210
  5. After reducing the fraction, the answer is -11/42

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