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Subtract 45/18 from 28/25

1st number: 1 3/25, 2nd number: 2 9/18

28/25 - 45/18 is -69/50.

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,
    28/25 = 28 × 18/25 × 18 = 504/450
  3. Likewise, for the 2nd fraction, since 18 × 25 = 450,
    45/18 = 45 × 25/18 × 25 = 1125/450
  4. Subtract the two fractions:
    504/450 - 1125/450 = 504 - 1125/450 = -621/450
  5. After reducing the fraction, the answer is -69/50

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