Answers

Add 90/49 and 60/27

1^st number: 1 41/49, 2^nd number: 2 6/27

90/49 + 60/27 is 1790/441.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 49 and 27 is 1323
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1323
2. For the 1st fraction, since 49 × 27 = 1323,
   90/49 = 90 × 27/49 × 27 = 2430/1323
3. Likewise, for the 2nd fraction, since 27 × 49 = 1323,
   60/27 = 60 × 49/27 × 49 = 2940/1323
4. Add the two like fractions:
   2430/1323 + 2940/1323 = 2430 + 2940/1323 = 5370/1323
5. 5370/1323 simplified gives 1790/441
6. So, 90/49 + 60/27 = 1790/441
   In mixed form: 426/441

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