Answers

Subtract 80/20 from 45/49

1^st number: 45/49, 2^nd number: 4 0/20

45/49 - 80/20 is -151/49.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 49 and 20 is 980
   
   Next, find the equivalent fraction of both fractional numbers with denominator 980
2. For the 1st fraction, since 49 × 20 = 980,
   45/49 = 45 × 20/49 × 20 = 900/980
3. Likewise, for the 2nd fraction, since 20 × 49 = 980,
   80/20 = 80 × 49/20 × 49 = 3920/980
4. Subtract the two like fractions:
   900/980 - 3920/980 = 900 - 3920/980 = -3020/980
5. After reducing the fraction, the answer is -151/49

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