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Subtract 3/8 from 42/2

1st number: 21 0/2, 2nd number: 3/8

42/2 - 3/8 is 165/8.

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,
    42/2 = 42 × 4/2 × 4 = 168/8
  3. Likewise, for the 2nd fraction, since 8 × 1 = 8,
    3/8 = 3 × 1/8 × 1 = 3/8
  4. Subtract the two like fractions:
    168/8 - 3/8 = 168 - 3/8 = 165/8
  5. In mixed form: 205/8

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