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Subtract 1/8 from 4/18

4/18 - 1/8 is 7/72.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 8 is 72

    Next, find the equivalent fraction of both fractional numbers with denominator 72
  2. For the 1st fraction, since 18 × 4 = 72,
    4/18 = 4 × 4/18 × 4 = 16/72
  3. Likewise, for the 2nd fraction, since 8 × 9 = 72,
    1/8 = 1 × 9/8 × 9 = 9/72
  4. Subtract the two like fractions:
    16/72 - 9/72 = 16 - 9/72 = 7/72

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