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Subtract 20/49 from 12/15

12/15 - 20/49 is 96/245.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 49 is 735

    Next, find the equivalent fraction of both fractional numbers with denominator 735
  2. For the 1st fraction, since 15 × 49 = 735,
    12/15 = 12 × 49/15 × 49 = 588/735
  3. Likewise, for the 2nd fraction, since 49 × 15 = 735,
    20/49 = 20 × 15/49 × 15 = 300/735
  4. Subtract the two like fractions:
    588/735 - 300/735 = 588 - 300/735 = 288/735
  5. After reducing the fraction, the answer is 96/245

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