Answers

Add 75/81 and 18/10

1^st number: 75/81, 2^nd number: 1 8/10

75/81 + 18/10 is 368/135.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 81 and 10 is 810
   
   Next, find the equivalent fraction of both fractional numbers with denominator 810
2. For the 1st fraction, since 81 × 10 = 810,
   75/81 = 75 × 10/81 × 10 = 750/810
3. Likewise, for the 2nd fraction, since 10 × 81 = 810,
   18/10 = 18 × 81/10 × 81 = 1458/810
4. Add the two like fractions:
   750/810 + 1458/810 = 750 + 1458/810 = 2208/810
5. 2208/810 simplified gives 368/135
6. So, 75/81 + 18/10 = 368/135
   In mixed form: 298/135

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