Answers

Subtract 1/54 from 21/16

1^st number: 1 5/16, 2^nd number: 1/54

21/16 - 1/54 is 559/432.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 16 and 54 is 432
   
   Next, find the equivalent fraction of both fractional numbers with denominator 432
2. For the 1st fraction, since 16 × 27 = 432,
   21/16 = 21 × 27/16 × 27 = 567/432
3. Likewise, for the 2nd fraction, since 54 × 8 = 432,
   1/54 = 1 × 8/54 × 8 = 8/432
4. Subtract the two like fractions:
   567/432 - 8/432 = 567 - 8/432 = 559/432
5. In mixed form: 1127/432

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