Answers

Add 81/25 and 20/98

1^st number: 3 6/25, 2^nd number: 20/98

81/25 + 20/98 is 4219/1225.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 25 and 98 is 2450
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2450
2. For the 1st fraction, since 25 × 98 = 2450,
   81/25 = 81 × 98/25 × 98 = 7938/2450
3. Likewise, for the 2nd fraction, since 98 × 25 = 2450,
   20/98 = 20 × 25/98 × 25 = 500/2450
4. Add the two like fractions:
   7938/2450 + 500/2450 = 7938 + 500/2450 = 8438/2450
5. 8438/2450 simplified gives 4219/1225
6. So, 81/25 + 20/98 = 4219/1225
   In mixed form: 3544/1225

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