Answers

Subtract 9/56 from 1/20

1/20 - 9/56 is -31/280.

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,
   1/20 = 1 × 14/20 × 14 = 14/280
3. Likewise, for the 2nd fraction, since 56 × 5 = 280,
   9/56 = 9 × 5/56 × 5 = 45/280
4. Subtract the two like fractions:
   14/280 - 45/280 = 14 - 45/280 = -31/280

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