Answers

Subtract 12/80 from 90/49

1^st number: 1 41/49, 2^nd number: 12/80

90/49 - 12/80 is 1653/980.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 49 and 80 is 3920
   
   Next, find the equivalent fraction of both fractional numbers with denominator 3920
2. For the 1st fraction, since 49 × 80 = 3920,
   90/49 = 90 × 80/49 × 80 = 7200/3920
3. Likewise, for the 2nd fraction, since 80 × 49 = 3920,
   12/80 = 12 × 49/80 × 49 = 588/3920
4. Subtract the two like fractions:
   7200/3920 - 588/3920 = 7200 - 588/3920 = 6612/3920
5. After reducing the fraction, the answer is 1653/980
6. In mixed form: 1673/980

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