Answers

Subtract 98/20 from 84/10

1^st number: 8 4/10, 2^nd number: 4 18/20

84/10 - 98/20 is 7/2.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 20 is 20
   
   Next, find the equivalent fraction of both fractional numbers with denominator 20
2. For the 1st fraction, since 10 × 2 = 20,
   84/10 = 84 × 2/10 × 2 = 168/20
3. Likewise, for the 2nd fraction, since 20 × 1 = 20,
   98/20 = 98 × 1/20 × 1 = 98/20
4. Subtract the two like fractions:
   168/20 - 98/20 = 168 - 98/20 = 70/20
5. After reducing the fraction, the answer is 7/2
6. In mixed form: 31/2

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