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Subtract 18/30 from 7/35

7/35 - 18/30 is -2/5.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 35 and 30 is 210

    Next, find the equivalent fraction of both fractional numbers with denominator 210
  2. For the 1st fraction, since 35 × 6 = 210,
    7/35 = 7 × 6/35 × 6 = 42/210
  3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
    18/30 = 18 × 7/30 × 7 = 126/210
  4. Subtract the two like fractions:
    42/210 - 126/210 = 42 - 126/210 = -84/210
  5. After reducing the fraction, the answer is -2/5

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