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Subtract 7/20 from 54/16

1st number: 3 6/16, 2nd number: 7/20

54/16 - 7/20 is 121/40.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 20 is 80

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 16 × 5 = 80,
    54/16 = 54 × 5/16 × 5 = 270/80
  3. Likewise, for the 2nd fraction, since 20 × 4 = 80,
    7/20 = 7 × 4/20 × 4 = 28/80
  4. Subtract the two like fractions:
    270/80 - 28/80 = 270 - 28/80 = 242/80
  5. After reducing the fraction, the answer is 121/40
  6. In mixed form: 31/40

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