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Subtract 56/9 from 20/12

1st number: 1 8/12, 2nd number: 6 2/9

20/12 - 56/9 is -41/9.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 12 and 9 is 36

    Next, find the equivalent fraction of both fractional numbers with denominator 36
  2. For the 1st fraction, since 12 × 3 = 36,
    20/12 = 20 × 3/12 × 3 = 60/36
  3. Likewise, for the 2nd fraction, since 9 × 4 = 36,
    56/9 = 56 × 4/9 × 4 = 224/36
  4. Subtract the two like fractions:
    60/36 - 224/36 = 60 - 224/36 = -164/36
  5. After reducing the fraction, the answer is -41/9

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