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Subtract 8/84 from 10/15

10/15 - 8/84 is 4/7.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 84 is 420

    Next, find the equivalent fraction of both fractional numbers with denominator 420
  2. For the 1st fraction, since 15 × 28 = 420,
    10/15 = 10 × 28/15 × 28 = 280/420
  3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
    8/84 = 8 × 5/84 × 5 = 40/420
  4. Subtract the two like fractions:
    280/420 - 40/420 = 280 - 40/420 = 240/420
  5. After reducing the fraction, the answer is 4/7

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