Answers

Add 98/90 and 9/63

1^st number: 1 8/90, 2^nd number: 9/63

98/90 + 9/63 is 388/315.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 63 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 90 × 7 = 630,
   98/90 = 98 × 7/90 × 7 = 686/630
3. Likewise, for the 2nd fraction, since 63 × 10 = 630,
   9/63 = 9 × 10/63 × 10 = 90/630
4. Add the two like fractions:
   686/630 + 90/630 = 686 + 90/630 = 776/630
5. 776/630 simplified gives 388/315
6. So, 98/90 + 9/63 = 388/315
   In mixed form: 173/315

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