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Subtract 8/54 from 18/15

1st number: 1 3/15, 2nd number: 8/54

18/15 - 8/54 is 142/135.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 15 and 54 is 270
  2. For the 1st fraction, since 15 × 18 = 270,
    18/15 = 18 × 18/15 × 18 = 324/270
  3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
    8/54 = 8 × 5/54 × 5 = 40/270
  4. Subtract the two fractions:
    324/270 - 40/270 = 324 - 40/270 = 284/270
  5. After reducing the fraction, the answer is 142/135
  6. In mixed form: 17/135

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