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Subtract 9/10 from 4/16

4/16 - 9/10 is -13/20.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 16 and 10 is 80
  2. For the 1st fraction, since 16 × 5 = 80,
    4/16 = 4 × 5/16 × 5 = 20/80
  3. Likewise, for the 2nd fraction, since 10 × 8 = 80,
    9/10 = 9 × 8/10 × 8 = 72/80
  4. Subtract the two fractions:
    20/80 - 72/80 = 20 - 72/80 = -52/80
  5. After reducing the fraction, the answer is -13/20

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