Answers

Add 81/42 and 2/60

1^st number: 1 39/42, 2^nd number: 2/60

81/42 + 2/60 is 206/105.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 60 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 42 × 10 = 420,
   81/42 = 81 × 10/42 × 10 = 810/420
3. Likewise, for the 2nd fraction, since 60 × 7 = 420,
   2/60 = 2 × 7/60 × 7 = 14/420
4. Add the two like fractions:
   810/420 + 14/420 = 810 + 14/420 = 824/420
5. 824/420 simplified gives 206/105
6. So, 81/42 + 2/60 = 206/105
   In mixed form: 1101/105

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