Answers

Add 90/98 and 81/30

1^st number: 90/98, 2^nd number: 2 21/30

90/98 + 81/30 is 1773/490.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 30 is 1470
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1470
2. For the 1st fraction, since 98 × 15 = 1470,
   90/98 = 90 × 15/98 × 15 = 1350/1470
3. Likewise, for the 2nd fraction, since 30 × 49 = 1470,
   81/30 = 81 × 49/30 × 49 = 3969/1470
4. Add the two like fractions:
   1350/1470 + 3969/1470 = 1350 + 3969/1470 = 5319/1470
5. 5319/1470 simplified gives 1773/490
6. So, 90/98 + 81/30 = 1773/490
   In mixed form: 3303/490

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