Answers

Add 3/49 and 90/81

1^st number: 3/49, 2^nd number: 1 9/81

3/49 + 90/81 is 517/441.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 49 and 81 is 3969
   
   Next, find the equivalent fraction of both fractional numbers with denominator 3969
2. For the 1st fraction, since 49 × 81 = 3969,
   3/49 = 3 × 81/49 × 81 = 243/3969
3. Likewise, for the 2nd fraction, since 81 × 49 = 3969,
   90/81 = 90 × 49/81 × 49 = 4410/3969
4. Add the two like fractions:
   243/3969 + 4410/3969 = 243 + 4410/3969 = 4653/3969
5. 4653/3969 simplified gives 517/441
6. So, 3/49 + 90/81 = 517/441
   In mixed form: 176/441

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