Answers

Subtract 7/20 from 15/56

15/56 - 7/20 is -23/280.

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,
   15/56 = 15 × 5/56 × 5 = 75/280
3. Likewise, for the 2nd fraction, since 20 × 14 = 280,
   7/20 = 7 × 14/20 × 14 = 98/280
4. Subtract the two like fractions:
   75/280 - 98/280 = 75 - 98/280 = -23/280

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