Answers

Subtract 21/10 from 2/27

1^st number: 2/27, 2^nd number: 2 1/10

2/27 - 21/10 is -547/270.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 27 and 10 is 270
   
   Next, find the equivalent fraction of both fractional numbers with denominator 270
2. For the 1st fraction, since 27 × 10 = 270,
   2/27 = 2 × 10/27 × 10 = 20/270
3. Likewise, for the 2nd fraction, since 10 × 27 = 270,
   21/10 = 21 × 27/10 × 27 = 567/270
4. Subtract the two like fractions:
   20/270 - 567/270 = 20 - 567/270 = -547/270

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