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Subtract 70/72 from 8/98

8/98 - 70/72 is -1571/1764.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 72 is 3528

    Next, find the equivalent fraction of both fractional numbers with denominator 3528
  2. For the 1st fraction, since 98 × 36 = 3528,
    8/98 = 8 × 36/98 × 36 = 288/3528
  3. Likewise, for the 2nd fraction, since 72 × 49 = 3528,
    70/72 = 70 × 49/72 × 49 = 3430/3528
  4. Subtract the two like fractions:
    288/3528 - 3430/3528 = 288 - 3430/3528 = -3142/3528
  5. After reducing the fraction, the answer is -1571/1764

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