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Subtract 98/72 from 8/28

1st number: 8/28, 2nd number: 1 26/72

8/28 - 98/72 is -271/252.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 72 is 504

    Next, find the equivalent fraction of both fractional numbers with denominator 504
  2. For the 1st fraction, since 28 × 18 = 504,
    8/28 = 8 × 18/28 × 18 = 144/504
  3. Likewise, for the 2nd fraction, since 72 × 7 = 504,
    98/72 = 98 × 7/72 × 7 = 686/504
  4. Subtract the two like fractions:
    144/504 - 686/504 = 144 - 686/504 = -542/504
  5. After reducing the fraction, the answer is -271/252

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