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Subtract 63/4 from 42/28

1st number: 1 14/28, 2nd number: 15 3/4

42/28 - 63/4 is -57/4.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 28 and 4 is 28

    Next, find the equivalent fraction of both fractional numbers with denominator 28
  2. For the 1st fraction, since 28 × 1 = 28,
    42/28 = 42 × 1/28 × 1 = 42/28
  3. Likewise, for the 2nd fraction, since 4 × 7 = 28,
    63/4 = 63 × 7/4 × 7 = 441/28
  4. Subtract the two like fractions:
    42/28 - 441/28 = 42 - 441/28 = -399/28
  5. After reducing the fraction, the answer is -57/4

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