Answers

Subtract 5/9 from 8/20

8/20 - 5/9 is -7/45.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 9 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 20 × 9 = 180,
   8/20 = 8 × 9/20 × 9 = 72/180
3. Likewise, for the 2nd fraction, since 9 × 20 = 180,
   5/9 = 5 × 20/9 × 20 = 100/180
4. Subtract the two like fractions:
   72/180 - 100/180 = 72 - 100/180 = -28/180
5. After reducing the fraction, the answer is -7/45

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