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Subtract 15/18 from 5/35

5/35 - 15/18 is -29/42.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 35 × 18 = 630,
    5/35 = 5 × 18/35 × 18 = 90/630
  3. Likewise, for the 2nd fraction, since 18 × 35 = 630,
    15/18 = 15 × 35/18 × 35 = 525/630
  4. Subtract the two like fractions:
    90/630 - 525/630 = 90 - 525/630 = -435/630
  5. After reducing the fraction, the answer is -29/42

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