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Subtract 5/10 from 2/7

2/7 - 5/10 is -3/14.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 7 and 10 is 70
  2. For the 1st fraction, since 7 × 10 = 70,
    2/7 = 2 × 10/7 × 10 = 20/70
  3. Likewise, for the 2nd fraction, since 10 × 7 = 70,
    5/10 = 5 × 7/10 × 7 = 35/70
  4. Subtract the two fractions:
    20/70 - 35/70 = 20 - 35/70 = -15/70
  5. After reducing the fraction, the answer is -3/14

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