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Subtract 49/16 from 20/8

1st number: 2 4/8, 2nd number: 3 1/16

20/8 - 49/16 is -9/16.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 16 is 16

    Next, find the equivalent fraction of both fractional numbers with denominator 16
  2. For the 1st fraction, since 8 × 2 = 16,
    20/8 = 20 × 2/8 × 2 = 40/16
  3. Likewise, for the 2nd fraction, since 16 × 1 = 16,
    49/16 = 49 × 1/16 × 1 = 49/16
  4. Subtract the two like fractions:
    40/16 - 49/16 = 40 - 49/16 = -9/16

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