Answers

Add 18/81 and 70/60

1^st number: 18/81, 2^nd number: 1 10/60

18/81 + 70/60 is 25/18.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 60 is 1620
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1620
2. For the 1st fraction, since 81 × 20 = 1620,
   18/81 = 18 × 20/81 × 20 = 360/1620
3. Likewise, for the 2nd fraction, since 60 × 27 = 1620,
   70/60 = 70 × 27/60 × 27 = 1890/1620
4. Add the two like fractions:
   360/1620 + 1890/1620 = 360 + 1890/1620 = 2250/1620
5. 2250/1620 simplified gives 25/18
6. So, 18/81 + 70/60 = 25/18
   In mixed form: 17/18

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