Answers

Add 70/10 and 4/81

1^st number: 7 0/10, 2^nd number: 4/81

70/10 + 4/81 is 571/81.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 81 is 810
   
   Next, find the equivalent fraction of both fractional numbers with denominator 810
2. For the 1st fraction, since 10 × 81 = 810,
   70/10 = 70 × 81/10 × 81 = 5670/810
3. Likewise, for the 2nd fraction, since 81 × 10 = 810,
   4/81 = 4 × 10/81 × 10 = 40/810
4. Add the two like fractions:
   5670/810 + 40/810 = 5670 + 40/810 = 5710/810
5. 5710/810 simplified gives 571/81
6. So, 70/10 + 4/81 = 571/81
   In mixed form: 74/81

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