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Subtract 3/8 from 21/2

1st number: 10 1/2, 2nd number: 3/8

21/2 - 3/8 is 81/8.

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,
    21/2 = 21 × 4/2 × 4 = 84/8
  3. Likewise, for the 2nd fraction, since 8 × 1 = 8,
    3/8 = 3 × 1/8 × 1 = 3/8
  4. Subtract the two like fractions:
    84/8 - 3/8 = 84 - 3/8 = 81/8
  5. In mixed form: 101/8

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