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Subtract 49/8 from 7/2

1st number: 3 1/2, 2nd number: 6 1/8

7/2 - 49/8 is -21/8.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 8 is 8

    Next, find the equivalent fraction of both fractional numbers with denominator 8
  2. For the 1st fraction, since 2 × 4 = 8,
    7/2 = 7 × 4/2 × 4 = 28/8
  3. Likewise, for the 2nd fraction, since 8 × 1 = 8,
    49/8 = 49 × 1/8 × 1 = 49/8
  4. Subtract the two like fractions:
    28/8 - 49/8 = 28 - 49/8 = -21/8

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