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Subtract 7/5 from 3/98

1st number: 3/98, 2nd number: 1 2/5

3/98 - 7/5 is -671/490.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 98 and 5 is 490

    Next, find the equivalent fraction of both fractional numbers with denominator 490
  2. For the 1st fraction, since 98 × 5 = 490,
    3/98 = 3 × 5/98 × 5 = 15/490
  3. Likewise, for the 2nd fraction, since 5 × 98 = 490,
    7/5 = 7 × 98/5 × 98 = 686/490
  4. Subtract the two like fractions:
    15/490 - 686/490 = 15 - 686/490 = -671/490

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