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Subtract 18/16 from 10/5

1st number: 2 0/5, 2nd number: 1 2/16

10/5 - 18/16 is 7/8.

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,
    10/5 = 10 × 16/5 × 16 = 160/80
  3. Likewise, for the 2nd fraction, since 16 × 5 = 80,
    18/16 = 18 × 5/16 × 5 = 90/80
  4. Subtract the two like fractions:
    160/80 - 90/80 = 160 - 90/80 = 70/80
  5. After reducing the fraction, the answer is 7/8

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