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Subtract 6/7 from 2/30

2/30 - 6/7 is -83/105.

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,
    2/30 = 2 × 7/30 × 7 = 14/210
  3. Likewise, for the 2nd fraction, since 7 × 30 = 210,
    6/7 = 6 × 30/7 × 30 = 180/210
  4. Subtract the two like fractions:
    14/210 - 180/210 = 14 - 180/210 = -166/210
  5. After reducing the fraction, the answer is -83/105

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