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Subtract 18/12 from 30/48

1st number: 30/48, 2nd number: 1 6/12

30/48 - 18/12 is -7/8.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 48 and 12 is 48

    Next, find the equivalent fraction of both fractional numbers with denominator 48
  2. For the 1st fraction, since 48 × 1 = 48,
    30/48 = 30 × 1/48 × 1 = 30/48
  3. Likewise, for the 2nd fraction, since 12 × 4 = 48,
    18/12 = 18 × 4/12 × 4 = 72/48
  4. Subtract the two like fractions:
    30/48 - 72/48 = 30 - 72/48 = -42/48
  5. After reducing the fraction, the answer is -7/8

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