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Subtract 63/3 from 7/20

1st number: 7/20, 2nd number: 21 0/3

7/20 - 63/3 is -413/20.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 20 and 3 is 60

    Next, find the equivalent fraction of both fractional numbers with denominator 60
  2. For the 1st fraction, since 20 × 3 = 60,
    7/20 = 7 × 3/20 × 3 = 21/60
  3. Likewise, for the 2nd fraction, since 3 × 20 = 60,
    63/3 = 63 × 20/3 × 20 = 1260/60
  4. Subtract the two like fractions:
    21/60 - 1260/60 = 21 - 1260/60 = -1239/60
  5. After reducing the fraction, the answer is -413/20

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