Answers

Add 90/49 and 21/36

1^st number: 1 41/49, 2^nd number: 21/36

90/49 + 21/36 is 1423/588.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 49 and 36 is 1764
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1764
2. For the 1st fraction, since 49 × 36 = 1764,
   90/49 = 90 × 36/49 × 36 = 3240/1764
3. Likewise, for the 2nd fraction, since 36 × 49 = 1764,
   21/36 = 21 × 49/36 × 49 = 1029/1764
4. Add the two like fractions:
   3240/1764 + 1029/1764 = 3240 + 1029/1764 = 4269/1764
5. 4269/1764 simplified gives 1423/588
6. So, 90/49 + 21/36 = 1423/588
   In mixed form: 2247/588

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