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Subtract 8/98 from 5/70

5/70 - 8/98 is -1/98.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 490
  2. For the 1st fraction, since 70 × 7 = 490,
    5/70 = 5 × 7/70 × 7 = 35/490
  3. Likewise, for the 2nd fraction, since 98 × 5 = 490,
    8/98 = 8 × 5/98 × 5 = 40/490
  4. Subtract the two like fractions:
    35/490 - 40/490 = 35 - 40/490 = -5/490
  5. After reducing the fraction, the answer is -1/98

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