Answers

Add 36/12 and 49/90

1^st number: 3 0/12, 2^nd number: 49/90

36/12 + 49/90 is 319/90.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 90 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 12 × 15 = 180,
   36/12 = 36 × 15/12 × 15 = 540/180
3. Likewise, for the 2nd fraction, since 90 × 2 = 180,
   49/90 = 49 × 2/90 × 2 = 98/180
4. Add the two like fractions:
   540/180 + 98/180 = 540 + 98/180 = 638/180
5. 638/180 simplified gives 319/90
6. So, 36/12 + 49/90 = 319/90
   In mixed form: 349/90

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