Answers

Add 98/7 and 84/90

1^st number: 14 0/7, 2^nd number: 84/90

98/7 + 84/90 is 224/15.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 7 and 90 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 7 × 90 = 630,
   98/7 = 98 × 90/7 × 90 = 8820/630
3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
   84/90 = 84 × 7/90 × 7 = 588/630
4. Add the two like fractions:
   8820/630 + 588/630 = 8820 + 588/630 = 9408/630
5. 9408/630 simplified gives 224/15
6. So, 98/7 + 84/90 = 224/15
   In mixed form: 1414/15

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