Answers

Subtract 21/80 from 7/32

7/32 - 21/80 is -7/160.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 32 and 80 is 160
   
   Next, find the equivalent fraction of both fractional numbers with denominator 160
2. For the 1st fraction, since 32 × 5 = 160,
   7/32 = 7 × 5/32 × 5 = 35/160
3. Likewise, for the 2nd fraction, since 80 × 2 = 160,
   21/80 = 21 × 2/80 × 2 = 42/160
4. Subtract the two like fractions:
   35/160 - 42/160 = 35 - 42/160 = -7/160

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