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Subtract 10/7 from 2/18

1st number: 2/18, 2nd number: 1 3/7

2/18 - 10/7 is -83/63.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 18 and 7 is 126
  2. For the 1st fraction, since 18 × 7 = 126,
    2/18 = 2 × 7/18 × 7 = 14/126
  3. Likewise, for the 2nd fraction, since 7 × 18 = 126,
    10/7 = 10 × 18/7 × 18 = 180/126
  4. Subtract the two fractions:
    14/126 - 180/126 = 14 - 180/126 = -166/126
  5. After reducing the fraction, the answer is -83/63

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