Answers

Subtract 9/32 from 4/20

4/20 - 9/32 is -13/160.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 32 is 160
   
   Next, find the equivalent fraction of both fractional numbers with denominator 160
2. For the 1st fraction, since 20 × 8 = 160,
   4/20 = 4 × 8/20 × 8 = 32/160
3. Likewise, for the 2nd fraction, since 32 × 5 = 160,
   9/32 = 9 × 5/32 × 5 = 45/160
4. Subtract the two like fractions:
   32/160 - 45/160 = 32 - 45/160 = -13/160

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