Answers

Subtract 8/10 from 3/20

3/20 - 8/10 is -13/20.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 10 is 20
   
   Next, find the equivalent fraction of both fractional numbers with denominator 20
2. For the 1st fraction, since 20 × 1 = 20,
   3/20 = 3 × 1/20 × 1 = 3/20
3. Likewise, for the 2nd fraction, since 10 × 2 = 20,
   8/10 = 8 × 2/10 × 2 = 16/20
4. Subtract the two like fractions:
   3/20 - 16/20 = 3 - 16/20 = -13/20

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