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Subtract 9/18 from 7/35

7/35 - 9/18 is -3/10.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 18 is 630
  2. For the 1st fraction, since 35 × 18 = 630,
    7/35 = 7 × 18/35 × 18 = 126/630
  3. Likewise, for the 2nd fraction, since 18 × 35 = 630,
    9/18 = 9 × 35/18 × 35 = 315/630
  4. Subtract the two fractions:
    126/630 - 315/630 = 126 - 315/630 = -189/630
  5. After reducing the fraction, the answer is -3/10

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