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Subtract 48/18 from 15/28

1st number: 15/28, 2nd number: 2 12/18

15/28 - 48/18 is -179/84.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 18 is 252
  2. For the 1st fraction, since 28 × 9 = 252,
    15/28 = 15 × 9/28 × 9 = 135/252
  3. Likewise, for the 2nd fraction, since 18 × 14 = 252,
    48/18 = 48 × 14/18 × 14 = 672/252
  4. Subtract the two fractions:
    135/252 - 672/252 = 135 - 672/252 = -537/252
  5. After reducing the fraction, the answer is -179/84

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