Answers

Add 72/20 and 49/12

1^st number: 3 12/20, 2^nd number: 4 1/12

72/20 + 49/12 is 461/60.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 12 is 60
   
   Next, find the equivalent fraction of both fractional numbers with denominator 60
2. For the 1st fraction, since 20 × 3 = 60,
   72/20 = 72 × 3/20 × 3 = 216/60
3. Likewise, for the 2nd fraction, since 12 × 5 = 60,
   49/12 = 49 × 5/12 × 5 = 245/60
4. Add the two like fractions:
   216/60 + 245/60 = 216 + 245/60 = 461/60
5. So, 72/20 + 49/12 = 461/60
   In mixed form: 741/60

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