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Subtract 5/84 from 3/10

3/10 - 5/84 is 101/420.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 84 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 10 × 42 = 420,
    3/10 = 3 × 42/10 × 42 = 126/420
  3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
    5/84 = 5 × 5/84 × 5 = 25/420
  4. Subtract the two like fractions:
    126/420 - 25/420 = 126 - 25/420 = 101/420

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