Answers

Subtract 27/49 from 28/27

1^st number: 1 1/27, 2^nd number: 27/49

28/27 - 27/49 is 643/1323.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 27 and 49 is 1323
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1323
2. For the 1st fraction, since 27 × 49 = 1323,
   28/27 = 28 × 49/27 × 49 = 1372/1323
3. Likewise, for the 2nd fraction, since 49 × 27 = 1323,
   27/49 = 27 × 27/49 × 27 = 729/1323
4. Subtract the two like fractions:
   1372/1323 - 729/1323 = 1372 - 729/1323 = 643/1323

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