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Subtract 84/80 from 56/63

1st number: 56/63, 2nd number: 1 4/80

56/63 - 84/80 is -29/180.

Steps for subtracting fractions

  1. Find the least common denominator or LCM of the two denominators:
    LCM of 63 and 80 is 5040

    Next, find the equivalent fraction of both fractional numbers with denominator 5040
  2. For the 1st fraction, since 63 × 80 = 5040,
    56/63 = 56 × 80/63 × 80 = 4480/5040
  3. Likewise, for the 2nd fraction, since 80 × 63 = 5040,
    84/80 = 84 × 63/80 × 63 = 5292/5040
  4. Subtract the two like fractions:
    4480/5040 - 5292/5040 = 4480 - 5292/5040 = -812/5040
  5. After reducing the fraction, the answer is -29/180

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