Answers

Subtract 27/10 from 21/32

1^st number: 21/32, 2^nd number: 2 7/10

21/32 - 27/10 is -327/160.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 32 and 10 is 160
   
   Next, find the equivalent fraction of both fractional numbers with denominator 160
2. For the 1st fraction, since 32 × 5 = 160,
   21/32 = 21 × 5/32 × 5 = 105/160
3. Likewise, for the 2nd fraction, since 10 × 16 = 160,
   27/10 = 27 × 16/10 × 16 = 432/160
4. Subtract the two like fractions:
   105/160 - 432/160 = 105 - 432/160 = -327/160

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