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Subtract 42/3 from 30/84

1st number: 30/84, 2nd number: 14 0/3

30/84 - 42/3 is -191/14.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 3 is 84

    Next, find the equivalent fraction of both fractional numbers with denominator 84
  2. For the 1st fraction, since 84 × 1 = 84,
    30/84 = 30 × 1/84 × 1 = 30/84
  3. Likewise, for the 2nd fraction, since 3 × 28 = 84,
    42/3 = 42 × 28/3 × 28 = 1176/84
  4. Subtract the two like fractions:
    30/84 - 1176/84 = 30 - 1176/84 = -1146/84
  5. After reducing the fraction, the answer is -191/14

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