Answers

Subtract 49/20 from 8/54

1^st number: 8/54, 2^nd number: 2 9/20

8/54 - 49/20 is -1243/540.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 20 is 540
   
   Next, find the equivalent fraction of both fractional numbers with denominator 540
2. For the 1st fraction, since 54 × 10 = 540,
   8/54 = 8 × 10/54 × 10 = 80/540
3. Likewise, for the 2nd fraction, since 20 × 27 = 540,
   49/20 = 49 × 27/20 × 27 = 1323/540
4. Subtract the two like fractions:
   80/540 - 1323/540 = 80 - 1323/540 = -1243/540

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