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Subtract 49/16 from 40/20

1st number: 2 0/20, 2nd number: 3 1/16

40/20 - 49/16 is -17/16.

Steps for subtracting fractions

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

    Next, find the equivalent fraction of both fractional numbers with denominator 80
  2. For the 1st fraction, since 20 × 4 = 80,
    40/20 = 40 × 4/20 × 4 = 160/80
  3. Likewise, for the 2nd fraction, since 16 × 5 = 80,
    49/16 = 49 × 5/16 × 5 = 245/80
  4. Subtract the two like fractions:
    160/80 - 245/80 = 160 - 245/80 = -85/80
  5. After reducing the fraction, the answer is -17/16

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