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Subtract 54/16 from 12/5

1st number: 2 2/5, 2nd number: 3 6/16

12/5 - 54/16 is -39/40.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 16 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 5 × 16 = 80,
    12/5 = 12 × 16/5 × 16 = 192/80
  3. Likewise, for the 2nd fraction, since 16 × 5 = 80,
    54/16 = 54 × 5/16 × 5 = 270/80
  4. Subtract the two like fractions:
    192/80 - 270/80 = 192 - 270/80 = -78/80
  5. After reducing the fraction, the answer is -39/40

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