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Subtract 7/10 from 2/3

2/3 - 7/10 is -1/30.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 3 and 10 is 30
  2. For the 1st fraction, since 3 × 10 = 30,
    2/3 = 2 × 10/3 × 10 = 20/30
  3. Likewise, for the 2nd fraction, since 10 × 3 = 30,
    7/10 = 7 × 3/10 × 3 = 21/30
  4. Subtract the two fractions:
    20/30 - 21/30 = 20 - 21/30 = -1/30

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