Answers

Add 50/4 and 98/90

1^st number: 12 2/4, 2^nd number: 1 8/90

50/4 + 98/90 is 1223/90.

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,
   50/4 = 50 × 45/4 × 45 = 2250/180
3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
   98/90 = 98 × 2/90 × 2 = 196/180
4. Add the two like fractions:
   2250/180 + 196/180 = 2250 + 196/180 = 2446/180
5. 2446/180 simplified gives 1223/90
6. So, 50/4 + 98/90 = 1223/90
   In mixed form: 1353/90

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