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Subtract 42/30 from 24/63

1st number: 24/63, 2nd number: 1 12/30

24/63 - 42/30 is -107/105.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 63 × 10 = 630,
    24/63 = 24 × 10/63 × 10 = 240/630
  3. Likewise, for the 2nd fraction, since 30 × 21 = 630,
    42/30 = 42 × 21/30 × 21 = 882/630
  4. Subtract the two like fractions:
    240/630 - 882/630 = 240 - 882/630 = -642/630
  5. After reducing the fraction, the answer is -107/105

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