Answers

Subtract 98/40 from 84/80

1^st number: 1 4/80, 2^nd number: 2 18/40

84/80 - 98/40 is -7/5.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 40 is 80
   
   Next, find the equivalent fraction of both fractional numbers with denominator 80
2. For the 1st fraction, since 80 × 1 = 80,
   84/80 = 84 × 1/80 × 1 = 84/80
3. Likewise, for the 2nd fraction, since 40 × 2 = 80,
   98/40 = 98 × 2/40 × 2 = 196/80
4. Subtract the two like fractions:
   84/80 - 196/80 = 84 - 196/80 = -112/80
5. After reducing the fraction, the answer is -7/5

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