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Subtract 25/36 from 7/45

7/45 - 25/36 is -97/180.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 45 and 36 is 180

    Next, find the equivalent fraction of both fractional numbers with denominator 180
  2. For the 1st fraction, since 45 × 4 = 180,
    7/45 = 7 × 4/45 × 4 = 28/180
  3. Likewise, for the 2nd fraction, since 36 × 5 = 180,
    25/36 = 25 × 5/36 × 5 = 125/180
  4. Subtract the two like fractions:
    28/180 - 125/180 = 28 - 125/180 = -97/180

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