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Subtract 15/30 from 42/2

1st number: 21 0/2, 2nd number: 15/30

42/2 - 15/30 is 41/2.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 2 and 30 is 30

    Next, find the equivalent fraction of both fractional numbers with denominator 30
  2. For the 1st fraction, since 2 × 15 = 30,
    42/2 = 42 × 15/2 × 15 = 630/30
  3. Likewise, for the 2nd fraction, since 30 × 1 = 30,
    15/30 = 15 × 1/30 × 1 = 15/30
  4. Subtract the two like fractions:
    630/30 - 15/30 = 630 - 15/30 = 615/30
  5. After reducing the fraction, the answer is 41/2
  6. In mixed form: 201/2

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