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Subtract 63/20 from 7/12

1st number: 7/12, 2nd number: 3 3/20

7/12 - 63/20 is -77/30.

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,
    7/12 = 7 × 5/12 × 5 = 35/60
  3. Likewise, for the 2nd fraction, since 20 × 3 = 60,
    63/20 = 63 × 3/20 × 3 = 189/60
  4. Subtract the two like fractions:
    35/60 - 189/60 = 35 - 189/60 = -154/60
  5. After reducing the fraction, the answer is -77/30

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