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Subtract 72/63 from 24/90

1st number: 24/90, 2nd number: 1 9/63

24/90 - 72/63 is -92/105.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 90 and 63 is 630
  2. For the 1st fraction, since 90 × 7 = 630,
    24/90 = 24 × 7/90 × 7 = 168/630
  3. Likewise, for the 2nd fraction, since 63 × 10 = 630,
    72/63 = 72 × 10/63 × 10 = 720/630
  4. Subtract the two fractions:
    168/630 - 720/630 = 168 - 720/630 = -552/630
  5. After reducing the fraction, the answer is -92/105

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