Answers

Add 5/4 and 98/90

1^st number: 1 1/4, 2^nd number: 1 8/90

5/4 + 98/90 is 421/180.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 90 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 4 × 45 = 180,
   5/4 = 5 × 45/4 × 45 = 225/180
3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
   98/90 = 98 × 2/90 × 2 = 196/180
4. Add the two like fractions:
   225/180 + 196/180 = 225 + 196/180 = 421/180
5. So, 5/4 + 98/90 = 421/180
   In mixed form: 261/180

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