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Subtract 72/63 from 24/30

1st number: 24/30, 2nd number: 1 9/63

24/30 - 72/63 is -12/35.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 63 is 630
  2. For the 1st fraction, since 30 × 21 = 630,
    24/30 = 24 × 21/30 × 21 = 504/630
  3. Likewise, for the 2nd fraction, since 63 × 10 = 630,
    72/63 = 72 × 10/63 × 10 = 720/630
  4. Subtract the two fractions:
    504/630 - 720/630 = 504 - 720/630 = -216/630
  5. After reducing the fraction, the answer is -12/35

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