Answers

Add 90/98 and 81/10

1^st number: 90/98, 2^nd number: 8 1/10

90/98 + 81/10 is 4419/490.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 10 is 490
   
   Next, find the equivalent fraction of both fractional numbers with denominator 490
2. For the 1st fraction, since 98 × 5 = 490,
   90/98 = 90 × 5/98 × 5 = 450/490
3. Likewise, for the 2nd fraction, since 10 × 49 = 490,
   81/10 = 81 × 49/10 × 49 = 3969/490
4. Add the two like fractions:
   450/490 + 3969/490 = 450 + 3969/490 = 4419/490
5. So, 90/98 + 81/10 = 4419/490
   In mixed form: 99/490

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