Answers

Subtract 15/32 from 21/20

1^st number: 1 1/20, 2^nd number: 15/32

21/20 - 15/32 is 93/160.

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,
   21/20 = 21 × 8/20 × 8 = 168/160
3. Likewise, for the 2nd fraction, since 32 × 5 = 160,
   15/32 = 15 × 5/32 × 5 = 75/160
4. Subtract the two like fractions:
   168/160 - 75/160 = 168 - 75/160 = 93/160

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