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Subtract 1/84 from 8/5

1st number: 1 3/5, 2nd number: 1/84

8/5 - 1/84 is 667/420.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 84 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 5 × 84 = 420,
    8/5 = 8 × 84/5 × 84 = 672/420
  3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
    1/84 = 1 × 5/84 × 5 = 5/420
  4. Subtract the two like fractions:
    672/420 - 5/420 = 672 - 5/420 = 667/420
  5. In mixed form: 1247/420

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