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Subtract 8/63 from 4/30

4/30 - 8/63 is 2/315.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 63 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 30 × 21 = 630,
    4/30 = 4 × 21/30 × 21 = 84/630
  3. Likewise, for the 2nd fraction, since 63 × 10 = 630,
    8/63 = 8 × 10/63 × 10 = 80/630
  4. Subtract the two like fractions:
    84/630 - 80/630 = 84 - 80/630 = 4/630
  5. After reducing the fraction, the answer is 2/315

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