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Subtract 18/7 from 6/5

1st number: 1 1/5, 2nd number: 2 4/7

6/5 - 18/7 is -48/35.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 5 and 7 is 35
  2. For the 1st fraction, since 5 × 7 = 35,
    6/5 = 6 × 7/5 × 7 = 42/35
  3. Likewise, for the 2nd fraction, since 7 × 5 = 35,
    18/7 = 18 × 5/7 × 5 = 90/35
  4. Subtract the two fractions:
    42/35 - 90/35 = 42 - 90/35 = -48/35

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