Answers

Subtract 21/6 from 64/27

1^st number: 2 10/27, 2^nd number: 3 3/6

64/27 - 21/6 is -61/54.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 27 and 6 is 54
   
   Next, find the equivalent fraction of both fractional numbers with denominator 54
2. For the 1st fraction, since 27 × 2 = 54,
   64/27 = 64 × 2/27 × 2 = 128/54
3. Likewise, for the 2nd fraction, since 6 × 9 = 54,
   21/6 = 21 × 9/6 × 9 = 189/54
4. Subtract the two like fractions:
   128/54 - 189/54 = 128 - 189/54 = -61/54

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