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Subtract 8/20 from 40/16

1st number: 2 8/16, 2nd number: 8/20

40/16 - 8/20 is 21/10.

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,
    40/16 = 40 × 5/16 × 5 = 200/80
  3. Likewise, for the 2nd fraction, since 20 × 4 = 80,
    8/20 = 8 × 4/20 × 4 = 32/80
  4. Subtract the two like fractions:
    200/80 - 32/80 = 200 - 32/80 = 168/80
  5. After reducing the fraction, the answer is 21/10
  6. In mixed form: 21/10

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