Answers

Subtract 75/20 from 20/56

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

20/56 - 75/20 is -95/28.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 20 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 56 × 5 = 280,
   20/56 = 20 × 5/56 × 5 = 100/280
3. Likewise, for the 2nd fraction, since 20 × 14 = 280,
   75/20 = 75 × 14/20 × 14 = 1050/280
4. Subtract the two like fractions:
   100/280 - 1050/280 = 100 - 1050/280 = -950/280
5. After reducing the fraction, the answer is -95/28

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