Answers

Subtract 48/54 from 15/80

15/80 - 48/54 is -101/144.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 54 is 2160
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2160
2. For the 1st fraction, since 80 × 27 = 2160,
   15/80 = 15 × 27/80 × 27 = 405/2160
3. Likewise, for the 2nd fraction, since 54 × 40 = 2160,
   48/54 = 48 × 40/54 × 40 = 1920/2160
4. Subtract the two like fractions:
   405/2160 - 1920/2160 = 405 - 1920/2160 = -1515/2160
5. After reducing the fraction, the answer is -101/144

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