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Subtract 12/5 from 25/30

1st number: 25/30, 2nd number: 2 2/5

25/30 - 12/5 is -47/30.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 30 and 5 is 30

    Next, find the equivalent fraction of both fractional numbers with denominator 30
  2. For the 1st fraction, since 30 × 1 = 30,
    25/30 = 25 × 1/30 × 1 = 25/30
  3. Likewise, for the 2nd fraction, since 5 × 6 = 30,
    12/5 = 12 × 6/5 × 6 = 72/30
  4. Subtract the two like fractions:
    25/30 - 72/30 = 25 - 72/30 = -47/30

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