Answers

Subtract 50/20 from 98/80

1^st number: 1 18/80, 2^nd number: 2 10/20

98/80 - 50/20 is -51/40.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 20 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 80 × 1 = 80,
   98/80 = 98 × 1/80 × 1 = 98/80
3. Likewise, for the 2nd fraction, since 20 × 4 = 80,
   50/20 = 50 × 4/20 × 4 = 200/80
4. Subtract the two like fractions:
   98/80 - 200/80 = 98 - 200/80 = -102/80
5. After reducing the fraction, the answer is -51/40

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