Answers

Subtract 15/56 from 63/20

1^st number: 3 3/20, 2^nd number: 15/56

63/20 - 15/56 is 807/280.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 56 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 20 × 14 = 280,
   63/20 = 63 × 14/20 × 14 = 882/280
3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
   15/56 = 15 × 5/56 × 5 = 75/280
4. Subtract the two like fractions:
   882/280 - 75/280 = 882 - 75/280 = 807/280
5. In mixed form: 2247/280

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