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Subtract 1/20 from 25/12

1st number: 2 1/12, 2nd number: 1/20

25/12 - 1/20 is 61/30.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 20 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 12 × 5 = 60,
    25/12 = 25 × 5/12 × 5 = 125/60
  3. Likewise, for the 2nd fraction, since 20 × 3 = 60,
    1/20 = 1 × 3/20 × 3 = 3/60
  4. Subtract the two like fractions:
    125/60 - 3/60 = 125 - 3/60 = 122/60
  5. After reducing the fraction, the answer is 61/30
  6. In mixed form: 21/30

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