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Subtract 10/63 from 9/30

9/30 - 10/63 is 89/630.

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,
    9/30 = 9 × 21/30 × 21 = 189/630
  3. Likewise, for the 2nd fraction, since 63 × 10 = 630,
    10/63 = 10 × 10/63 × 10 = 100/630
  4. Subtract the two like fractions:
    189/630 - 100/630 = 189 - 100/630 = 89/630

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