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Subtract 42/63 from 20/4

1st number: 5 0/4, 2nd number: 42/63

20/4 - 42/63 is 13/3.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 4 and 63 is 252

    Next, find the equivalent fraction of both fractional numbers with denominator 252
  2. For the 1st fraction, since 4 × 63 = 252,
    20/4 = 20 × 63/4 × 63 = 1260/252
  3. Likewise, for the 2nd fraction, since 63 × 4 = 252,
    42/63 = 42 × 4/63 × 4 = 168/252
  4. Subtract the two like fractions:
    1260/252 - 168/252 = 1260 - 168/252 = 1092/252
  5. After reducing the fraction, the answer is 13/3
  6. In mixed form: 41/3

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