Answers

Add 72/54 and 63/12

1^st number: 1 18/54, 2^nd number: 5 3/12

72/54 + 63/12 is 79/12.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 12 is 108
   
   Next, find the equivalent fraction of both fractional numbers with denominator 108
2. For the 1st fraction, since 54 × 2 = 108,
   72/54 = 72 × 2/54 × 2 = 144/108
3. Likewise, for the 2nd fraction, since 12 × 9 = 108,
   63/12 = 63 × 9/12 × 9 = 567/108
4. Add the two like fractions:
   144/108 + 567/108 = 144 + 567/108 = 711/108
5. 711/108 simplified gives 79/12
6. So, 72/54 + 63/12 = 79/12
   In mixed form: 67/12

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