Answers

Subtract 12/30 from 5/20

5/20 - 12/30 is -3/20.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 30 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 20 × 3 = 60,
   5/20 = 5 × 3/20 × 3 = 15/60
3. Likewise, for the 2nd fraction, since 30 × 2 = 60,
   12/30 = 12 × 2/30 × 2 = 24/60
4. Subtract the two like fractions:
   15/60 - 24/60 = 15 - 24/60 = -9/60
5. After reducing the fraction, the answer is -3/20

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