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Subtract 30/9 from 42/2

1st number: 21 0/2, 2nd number: 3 3/9

42/2 - 30/9 is 53/3.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 9 is 18

    Next, find the equivalent fraction of both fractional numbers with denominator 18
  2. For the 1st fraction, since 2 × 9 = 18,
    42/2 = 42 × 9/2 × 9 = 378/18
  3. Likewise, for the 2nd fraction, since 9 × 2 = 18,
    30/9 = 30 × 2/9 × 2 = 60/18
  4. Subtract the two like fractions:
    378/18 - 60/18 = 378 - 60/18 = 318/18
  5. After reducing the fraction, the answer is 53/3
  6. In mixed form: 172/3

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