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Subtract 30/35 from 1/18

1/18 - 30/35 is -101/126.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 35 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 18 × 35 = 630,
    1/18 = 1 × 35/18 × 35 = 35/630
  3. Likewise, for the 2nd fraction, since 35 × 18 = 630,
    30/35 = 30 × 18/35 × 18 = 540/630
  4. Subtract the two like fractions:
    35/630 - 540/630 = 35 - 540/630 = -505/630
  5. After reducing the fraction, the answer is -101/126

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