Answers

Subtract 49/9 from 75/80

1^st number: 75/80, 2^nd number: 5 4/9

75/80 - 49/9 is -649/144.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 9 is 720
   
   Next, find the equivalent fraction of both fractional numbers with denominator 720
2. For the 1st fraction, since 80 × 9 = 720,
   75/80 = 75 × 9/80 × 9 = 675/720
3. Likewise, for the 2nd fraction, since 9 × 80 = 720,
   49/9 = 49 × 80/9 × 80 = 3920/720
4. Subtract the two like fractions:
   675/720 - 3920/720 = 675 - 3920/720 = -3245/720
5. After reducing the fraction, the answer is -649/144

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