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Subtract 30/20 from 20/16

1st number: 1 4/16, 2nd number: 1 10/20

20/16 - 30/20 is -1/4.

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,
    20/16 = 20 × 5/16 × 5 = 100/80
  3. Likewise, for the 2nd fraction, since 20 × 4 = 80,
    30/20 = 30 × 4/20 × 4 = 120/80
  4. Subtract the two like fractions:
    100/80 - 120/80 = 100 - 120/80 = -20/80
  5. After reducing the fraction, the answer is -1/4

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