Answers

Add 1/60 and 28/27

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

1/60 + 28/27 is 569/540.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 27 is 540
   
   Next, find the equivalent fraction of both fractional numbers with denominator 540
2. For the 1st fraction, since 60 × 9 = 540,
   1/60 = 1 × 9/60 × 9 = 9/540
3. Likewise, for the 2nd fraction, since 27 × 20 = 540,
   28/27 = 28 × 20/27 × 20 = 560/540
4. Add the two like fractions:
   9/540 + 560/540 = 9 + 560/540 = 569/540
5. So, 1/60 + 28/27 = 569/540
   In mixed form: 129/540

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