Answers

Subtract 15/8 from 56/54

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

56/54 - 15/8 is -181/216.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 8 is 216
   
   Next, find the equivalent fraction of both fractional numbers with denominator 216
2. For the 1st fraction, since 54 × 4 = 216,
   56/54 = 56 × 4/54 × 4 = 224/216
3. Likewise, for the 2nd fraction, since 8 × 27 = 216,
   15/8 = 15 × 27/8 × 27 = 405/216
4. Subtract the two like fractions:
   224/216 - 405/216 = 224 - 405/216 = -181/216

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