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Subtract 12/98 from 20/15

1st number: 1 5/15, 2nd number: 12/98

20/15 - 12/98 is 178/147.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 98 is 1470

    Next, find the equivalent fraction of both fractional numbers with denominator 1470
  2. For the 1st fraction, since 15 × 98 = 1470,
    20/15 = 20 × 98/15 × 98 = 1960/1470
  3. Likewise, for the 2nd fraction, since 98 × 15 = 1470,
    12/98 = 12 × 15/98 × 15 = 180/1470
  4. Subtract the two like fractions:
    1960/1470 - 180/1470 = 1960 - 180/1470 = 1780/1470
  5. After reducing the fraction, the answer is 178/147
  6. In mixed form: 131/147

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