Answers

Subtract 8/21 from 56/54

1^st number: 1 2/54, 2^nd number: 8/21

56/54 - 8/21 is 124/189.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 21 is 378
   
   Next, find the equivalent fraction of both fractional numbers with denominator 378
2. For the 1st fraction, since 54 × 7 = 378,
   56/54 = 56 × 7/54 × 7 = 392/378
3. Likewise, for the 2nd fraction, since 21 × 18 = 378,
   8/21 = 8 × 18/21 × 18 = 144/378
4. Subtract the two like fractions:
   392/378 - 144/378 = 392 - 144/378 = 248/378
5. After reducing the fraction, the answer is 124/189

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