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Subtract 8/18 from 42/25

1st number: 1 17/25, 2nd number: 8/18

42/25 - 8/18 is 278/225.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 25 and 18 is 450
  2. For the 1st fraction, since 25 × 18 = 450,
    42/25 = 42 × 18/25 × 18 = 756/450
  3. Likewise, for the 2nd fraction, since 18 × 25 = 450,
    8/18 = 8 × 25/18 × 25 = 200/450
  4. Subtract the two fractions:
    756/450 - 200/450 = 756 - 200/450 = 556/450
  5. After reducing the fraction, the answer is 278/225
  6. In mixed form: 153/225

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