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Subtract 15/54 from 70/45

1st number: 1 25/45, 2nd number: 15/54

70/45 - 15/54 is 23/18.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 54 is 270

    Next, find the equivalent fraction of both fractional numbers with denominator 270
  2. For the 1st fraction, since 45 × 6 = 270,
    70/45 = 70 × 6/45 × 6 = 420/270
  3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
    15/54 = 15 × 5/54 × 5 = 75/270
  4. Subtract the two like fractions:
    420/270 - 75/270 = 420 - 75/270 = 345/270
  5. After reducing the fraction, the answer is 23/18
  6. In mixed form: 15/18

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