Answers

Subtract 63/40 from 21/32

1^st number: 21/32, 2^nd number: 1 23/40

21/32 - 63/40 is -147/160.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 32 and 40 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 40 × 4 = 160,
   63/40 = 63 × 4/40 × 4 = 252/160
4. Subtract the two like fractions:
   105/160 - 252/160 = 105 - 252/160 = -147/160

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