Answers

Subtract 2/21 from 27/8

1^st number: 3 3/8, 2^nd number: 2/21

27/8 - 2/21 is 551/168.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 8 and 21 is 168
   
   Next, find the equivalent fraction of both fractional numbers with denominator 168
2. For the 1st fraction, since 8 × 21 = 168,
   27/8 = 27 × 21/8 × 21 = 567/168
3. Likewise, for the 2nd fraction, since 21 × 8 = 168,
   2/21 = 2 × 8/21 × 8 = 16/168
4. Subtract the two like fractions:
   567/168 - 16/168 = 567 - 16/168 = 551/168
5. In mixed form: 347/168

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