Answers

Subtract 80/63 from 56/80

1^st number: 56/80, 2^nd number: 1 17/63

56/80 - 80/63 is -359/630.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 63 is 5040
   
   Next, find the equivalent fraction of both fractional numbers with denominator 5040
2. For the 1st fraction, since 80 × 63 = 5040,
   56/80 = 56 × 63/80 × 63 = 3528/5040
3. Likewise, for the 2nd fraction, since 63 × 80 = 5040,
   80/63 = 80 × 80/63 × 80 = 6400/5040
4. Subtract the two like fractions:
   3528/5040 - 6400/5040 = 3528 - 6400/5040 = -2872/5040
5. After reducing the fraction, the answer is -359/630

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