Answers

Subtract 32/54 from 21/8

1^st number: 2 5/8, 2^nd number: 32/54

21/8 - 32/54 is 439/216.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 8 and 54 is 216
   
   Next, find the equivalent fraction of both fractional numbers with denominator 216
2. For the 1st fraction, since 8 × 27 = 216,
   21/8 = 21 × 27/8 × 27 = 567/216
3. Likewise, for the 2nd fraction, since 54 × 4 = 216,
   32/54 = 32 × 4/54 × 4 = 128/216
4. Subtract the two like fractions:
   567/216 - 128/216 = 567 - 128/216 = 439/216
5. In mixed form: 27/216

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