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Subtract 30/84 from 3/8

3/8 - 30/84 is 1/56.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 8 and 84 is 168

    Next, find the equivalent fraction of both fractional numbers with denominator 168
  2. For the 1st fraction, since 8 × 21 = 168,
    3/8 = 3 × 21/8 × 21 = 63/168
  3. Likewise, for the 2nd fraction, since 84 × 2 = 168,
    30/84 = 30 × 2/84 × 2 = 60/168
  4. Subtract the two like fractions:
    63/168 - 60/168 = 63 - 60/168 = 3/168
  5. After reducing the fraction, the answer is 1/56

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