Answers

Add 42/12 and 90/49

1^st number: 3 6/12, 2^nd number: 1 41/49

42/12 + 90/49 is 523/98.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 12 and 49 is 588
   
   Next, find the equivalent fraction of both fractional numbers with denominator 588
2. For the 1st fraction, since 12 × 49 = 588,
   42/12 = 42 × 49/12 × 49 = 2058/588
3. Likewise, for the 2nd fraction, since 49 × 12 = 588,
   90/49 = 90 × 12/49 × 12 = 1080/588
4. Add the two like fractions:
   2058/588 + 1080/588 = 2058 + 1080/588 = 3138/588
5. 3138/588 simplified gives 523/98
6. So, 42/12 + 90/49 = 523/98
   In mixed form: 533/98

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