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Subtract 27/8 from 10/84

1st number: 10/84, 2nd number: 3 3/8

10/84 - 27/8 is -547/168.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 84 and 8 is 168
  2. For the 1st fraction, since 84 × 2 = 168,
    10/84 = 10 × 2/84 × 2 = 20/168
  3. Likewise, for the 2nd fraction, since 8 × 21 = 168,
    27/8 = 27 × 21/8 × 21 = 567/168
  4. Subtract the two fractions:
    20/168 - 567/168 = 20 - 567/168 = -547/168

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