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Subtract 18/5 from 2/10

1st number: 2/10, 2nd number: 3 3/5

2/10 - 18/5 is -17/5.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 10 and 5 is 10

    Next, find the equivalent fraction of both fractional numbers with denominator 10
  2. For the 1st fraction, since 10 × 1 = 10,
    2/10 = 2 × 1/10 × 1 = 2/10
  3. Likewise, for the 2nd fraction, since 5 × 2 = 10,
    18/5 = 18 × 2/5 × 2 = 36/10
  4. Subtract the two like fractions:
    2/10 - 36/10 = 2 - 36/10 = -34/10
  5. After reducing the fraction, the answer is -17/5

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