Answers

Add 98/28 and 7/90

1^st number: 3 14/28, 2^nd number: 7/90

98/28 + 7/90 is 161/45.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 90 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 28 × 45 = 1260,
   98/28 = 98 × 45/28 × 45 = 4410/1260
3. Likewise, for the 2nd fraction, since 90 × 14 = 1260,
   7/90 = 7 × 14/90 × 14 = 98/1260
4. Add the two like fractions:
   4410/1260 + 98/1260 = 4410 + 98/1260 = 4508/1260
5. 4508/1260 simplified gives 161/45
6. So, 98/28 + 7/90 = 161/45
   In mixed form: 326/45

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