Answers

Add 98/20 and 2/90

1^st number: 4 18/20, 2^nd number: 2/90

98/20 + 2/90 is 443/90.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 90 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 20 × 9 = 180,
   98/20 = 98 × 9/20 × 9 = 882/180
3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
   2/90 = 2 × 2/90 × 2 = 4/180
4. Add the two like fractions:
   882/180 + 4/180 = 882 + 4/180 = 886/180
5. 886/180 simplified gives 443/90
6. So, 98/20 + 2/90 = 443/90
   In mixed form: 483/90

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