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Subtract 3/63 from 7/18

7/18 - 3/63 is 43/126.

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,
    7/18 = 7 × 7/18 × 7 = 49/126
  3. Likewise, for the 2nd fraction, since 63 × 2 = 126,
    3/63 = 3 × 2/63 × 2 = 6/126
  4. Subtract the two like fractions:
    49/126 - 6/126 = 49 - 6/126 = 43/126

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