Answers

Add 8/36 and 81/70

1^st number: 8/36, 2^nd number: 1 11/70

8/36 + 81/70 is 869/630.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 36 and 70 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 36 × 35 = 1260,
   8/36 = 8 × 35/36 × 35 = 280/1260
3. Likewise, for the 2nd fraction, since 70 × 18 = 1260,
   81/70 = 81 × 18/70 × 18 = 1458/1260
4. Add the two like fractions:
   280/1260 + 1458/1260 = 280 + 1458/1260 = 1738/1260
5. 1738/1260 simplified gives 869/630
6. So, 8/36 + 81/70 = 869/630
   In mixed form: 1239/630

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