Answers

Subtract 7/54 from 28/10

1^st number: 2 8/10, 2^nd number: 7/54

28/10 - 7/54 is 721/270.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 54 is 270
   
   Next, find the equivalent fraction of both fractional numbers with denominator 270
2. For the 1st fraction, since 10 × 27 = 270,
   28/10 = 28 × 27/10 × 27 = 756/270
3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
   7/54 = 7 × 5/54 × 5 = 35/270
4. Subtract the two like fractions:
   756/270 - 35/270 = 756 - 35/270 = 721/270
5. In mixed form: 2181/270

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