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Subtract 98/45 from 25/42

1st number: 25/42, 2nd number: 2 8/45

25/42 - 98/45 is -997/630.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 42 and 45 is 630

    Next, find the equivalent fraction of both fractional numbers with denominator 630
  2. For the 1st fraction, since 42 × 15 = 630,
    25/42 = 25 × 15/42 × 15 = 375/630
  3. Likewise, for the 2nd fraction, since 45 × 14 = 630,
    98/45 = 98 × 14/45 × 14 = 1372/630
  4. Subtract the two like fractions:
    375/630 - 1372/630 = 375 - 1372/630 = -997/630

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