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Subtract 4/63 from 3/18

3/18 - 4/63 is 13/126.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 63 is 126

    Next, find the equivalent fraction of both fractional numbers with denominator 126
  2. For the 1st fraction, since 18 × 7 = 126,
    3/18 = 3 × 7/18 × 7 = 21/126
  3. Likewise, for the 2nd fraction, since 63 × 2 = 126,
    4/63 = 4 × 2/63 × 2 = 8/126
  4. Subtract the two like fractions:
    21/126 - 8/126 = 21 - 8/126 = 13/126

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