Answers

Subtract 5/54 from 21/15

1^st number: 1 6/15, 2^nd number: 5/54

21/15 - 5/54 is 353/270.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 54 is 270
   
   Next, find the equivalent fraction of both fractional numbers with denominator 270
2. For the 1st fraction, since 15 × 18 = 270,
   21/15 = 21 × 18/15 × 18 = 378/270
3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
   5/54 = 5 × 5/54 × 5 = 25/270
4. Subtract the two like fractions:
   378/270 - 25/270 = 378 - 25/270 = 353/270
5. In mixed form: 183/270

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