Answers

Add 49/36 and 42/20

1^st number: 1 13/36, 2^nd number: 2 2/20

49/36 + 42/20 is 623/180.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 36 and 20 is 180
   
   Next, find the equivalent fraction of both fractional numbers with denominator 180
2. For the 1st fraction, since 36 × 5 = 180,
   49/36 = 49 × 5/36 × 5 = 245/180
3. Likewise, for the 2nd fraction, since 20 × 9 = 180,
   42/20 = 42 × 9/20 × 9 = 378/180
4. Add the two like fractions:
   245/180 + 378/180 = 245 + 378/180 = 623/180
5. So, 49/36 + 42/20 = 623/180
   In mixed form: 383/180

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