Answers

Subtract 49/80 from 3/20

3/20 - 49/80 is -37/80.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 80 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 20 × 4 = 80,
   3/20 = 3 × 4/20 × 4 = 12/80
3. Likewise, for the 2nd fraction, since 80 × 1 = 80,
   49/80 = 49 × 1/80 × 1 = 49/80
4. Subtract the two like fractions:
   12/80 - 49/80 = 12 - 49/80 = -37/80

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