Answers

Subtract 56/15 from 15/54

1^st number: 15/54, 2^nd number: 3 11/15

15/54 - 56/15 is -311/90.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 15 is 270
   
   Next, find the equivalent fraction of both fractional numbers with denominator 270
2. For the 1st fraction, since 54 × 5 = 270,
   15/54 = 15 × 5/54 × 5 = 75/270
3. Likewise, for the 2nd fraction, since 15 × 18 = 270,
   56/15 = 56 × 18/15 × 18 = 1008/270
4. Subtract the two like fractions:
   75/270 - 1008/270 = 75 - 1008/270 = -933/270
5. After reducing the fraction, the answer is -311/90

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