Answers

Subtract 32/27 from 21/40

1^st number: 21/40, 2^nd number: 1 5/27

21/40 - 32/27 is -713/1080.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 27 is 1080
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1080
2. For the 1st fraction, since 40 × 27 = 1080,
   21/40 = 21 × 27/40 × 27 = 567/1080
3. Likewise, for the 2nd fraction, since 27 × 40 = 1080,
   32/27 = 32 × 40/27 × 40 = 1280/1080
4. Subtract the two like fractions:
   567/1080 - 1280/1080 = 567 - 1280/1080 = -713/1080

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