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Subtract 8/70 from 81/98

81/98 - 8/70 is 349/490.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 70 is 490

    Next, find the equivalent fraction of both fractional numbers with denominator 490
  2. For the 1st fraction, since 98 × 5 = 490,
    81/98 = 81 × 5/98 × 5 = 405/490
  3. Likewise, for the 2nd fraction, since 70 × 7 = 490,
    8/70 = 8 × 7/70 × 7 = 56/490
  4. Subtract the two like fractions:
    405/490 - 56/490 = 405 - 56/490 = 349/490

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