Answers

Add 98/20 and 9/90

1^st number: 4 18/20, 2^nd number: 9/90

98/20 + 9/90 is 5/1.

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,
   9/90 = 9 × 2/90 × 2 = 18/180
4. Add the two like fractions:
   882/180 + 18/180 = 882 + 18/180 = 900/180
5. 900/180 simplified gives 5/1
6. So, 98/20 + 9/90 = 5/1

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