Answers

Add 72/27 and 98/60

1^st number: 2 18/27, 2^nd number: 1 38/60

72/27 + 98/60 is 43/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 27 and 60 is 540
   
   Next, find the equivalent fraction of both fractional numbers with denominator 540
2. For the 1st fraction, since 27 × 20 = 540,
   72/27 = 72 × 20/27 × 20 = 1440/540
3. Likewise, for the 2nd fraction, since 60 × 9 = 540,
   98/60 = 98 × 9/60 × 9 = 882/540
4. Add the two like fractions:
   1440/540 + 882/540 = 1440 + 882/540 = 2322/540
5. 2322/540 simplified gives 43/10
6. So, 72/27 + 98/60 = 43/10
   In mixed form: 43/10

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