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Subtract 3/42 from 6/30

6/30 - 3/42 is 9/70.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 42 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 30 × 7 = 210,
    6/30 = 6 × 7/30 × 7 = 42/210
  3. Likewise, for the 2nd fraction, since 42 × 5 = 210,
    3/42 = 3 × 5/42 × 5 = 15/210
  4. Subtract the two like fractions:
    42/210 - 15/210 = 42 - 15/210 = 27/210
  5. After reducing the fraction, the answer is 9/70

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