Answers

Subtract 90/49 from 80/36

1^st number: 2 8/36, 2^nd number: 1 41/49

80/36 - 90/49 is 170/441.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 36 and 49 is 1764
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1764
2. For the 1st fraction, since 36 × 49 = 1764,
   80/36 = 80 × 49/36 × 49 = 3920/1764
3. Likewise, for the 2nd fraction, since 49 × 36 = 1764,
   90/49 = 90 × 36/49 × 36 = 3240/1764
4. Subtract the two like fractions:
   3920/1764 - 3240/1764 = 3920 - 3240/1764 = 680/1764
5. After reducing the fraction, the answer is 170/441

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