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Subtract 7/10 from 1/98

1/98 - 7/10 is -169/245.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 10 is 490

    Next, find the equivalent fraction of both fractional numbers with denominator 490
  2. For the 1st fraction, since 98 × 5 = 490,
    1/98 = 1 × 5/98 × 5 = 5/490
  3. Likewise, for the 2nd fraction, since 10 × 49 = 490,
    7/10 = 7 × 49/10 × 49 = 343/490
  4. Subtract the two like fractions:
    5/490 - 343/490 = 5 - 343/490 = -338/490
  5. After reducing the fraction, the answer is -169/245

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