Answers

Subtract 54/49 from 54/80

1^st number: 54/80, 2^nd number: 1 5/49

54/80 - 54/49 is -837/1960.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 49 is 3920
   
   Next, find the equivalent fraction of both fractional numbers with denominator 3920
2. For the 1st fraction, since 80 × 49 = 3920,
   54/80 = 54 × 49/80 × 49 = 2646/3920
3. Likewise, for the 2nd fraction, since 49 × 80 = 3920,
   54/49 = 54 × 80/49 × 80 = 4320/3920
4. Subtract the two like fractions:
   2646/3920 - 4320/3920 = 2646 - 4320/3920 = -1674/3920
5. After reducing the fraction, the answer is -837/1960

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