Answers

Add 98/90 and 42/20

1^st number: 1 8/90, 2^nd number: 2 2/20

98/90 + 42/20 is 287/90.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 20 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 90 × 2 = 180,
   98/90 = 98 × 2/90 × 2 = 196/180
3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
   42/20 = 42 × 9/20 × 9 = 378/180
4. Add the two like fractions:
   196/180 + 378/180 = 196 + 378/180 = 574/180
5. 574/180 simplified gives 287/90
6. So, 98/90 + 42/20 = 287/90
   In mixed form: 317/90

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