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Subtract 10/16 from 2/5

2/5 - 10/16 is -9/40.

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,
    2/5 = 2 × 16/5 × 16 = 32/80
  3. Likewise, for the 2nd fraction, since 16 × 5 = 80,
    10/16 = 10 × 5/16 × 5 = 50/80
  4. Subtract the two like fractions:
    32/80 - 50/80 = 32 - 50/80 = -18/80
  5. After reducing the fraction, the answer is -9/40

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