Answers

Subtract 90/50 from 8/80

1^st number: 8/80, 2^nd number: 1 40/50

8/80 - 90/50 is -17/10.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 50 is 400
   
   Next, find the equivalent fraction of both fractional numbers with denominator 400
2. For the 1st fraction, since 80 × 5 = 400,
   8/80 = 8 × 5/80 × 5 = 40/400
3. Likewise, for the 2nd fraction, since 50 × 8 = 400,
   90/50 = 90 × 8/50 × 8 = 720/400
4. Subtract the two like fractions:
   40/400 - 720/400 = 40 - 720/400 = -680/400
5. After reducing the fraction, the answer is -17/10

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