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Subtract 42/16 from 30/8

1st number: 3 6/8, 2nd number: 2 10/16

30/8 - 42/16 is 9/8.

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,
    30/8 = 30 × 2/8 × 2 = 60/16
  3. Likewise, for the 2nd fraction, since 16 × 1 = 16,
    42/16 = 42 × 1/16 × 1 = 42/16
  4. Subtract the two like fractions:
    60/16 - 42/16 = 60 - 42/16 = 18/16
  5. After reducing the fraction, the answer is 9/8
  6. In mixed form: 11/8

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