Answers

Add 72/54 and 27/20

1^st number: 1 18/54, 2^nd number: 1 7/20

72/54 + 27/20 is 161/60.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 20 is 540
   
   Next, find the equivalent fraction of both fractional numbers with denominator 540
2. For the 1st fraction, since 54 × 10 = 540,
   72/54 = 72 × 10/54 × 10 = 720/540
3. Likewise, for the 2nd fraction, since 20 × 27 = 540,
   27/20 = 27 × 27/20 × 27 = 729/540
4. Add the two like fractions:
   720/540 + 729/540 = 720 + 729/540 = 1449/540
5. 1449/540 simplified gives 161/60
6. So, 72/54 + 27/20 = 161/60
   In mixed form: 241/60

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