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Subtract 20/49 from 25/8

1st number: 3 1/8, 2nd number: 20/49

25/8 - 20/49 is 1065/392.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 49 is 392

    Next, find the equivalent fraction of both fractional numbers with denominator 392
  2. For the 1st fraction, since 8 × 49 = 392,
    25/8 = 25 × 49/8 × 49 = 1225/392
  3. Likewise, for the 2nd fraction, since 49 × 8 = 392,
    20/49 = 20 × 8/49 × 8 = 160/392
  4. Subtract the two like fractions:
    1225/392 - 160/392 = 1225 - 160/392 = 1065/392
  5. In mixed form: 2281/392

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