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Subtract 18/25 from 20/12

1st number: 1 8/12, 2nd number: 18/25

20/12 - 18/25 is 71/75.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 25 is 300

    Next, find the equivalent fraction of both fractional numbers with denominator 300
  2. For the 1st fraction, since 12 × 25 = 300,
    20/12 = 20 × 25/12 × 25 = 500/300
  3. Likewise, for the 2nd fraction, since 25 × 12 = 300,
    18/25 = 18 × 12/25 × 12 = 216/300
  4. Subtract the two like fractions:
    500/300 - 216/300 = 500 - 216/300 = 284/300
  5. After reducing the fraction, the answer is 71/75

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