Answers

Add 81/18 and 70/28

1^st number: 4 9/18, 2^nd number: 2 14/28

81/18 + 70/28 is 7/1.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 28 is 252
   
   Next, find the equivalent fraction of both fractional numbers with denominator 252
2. For the 1st fraction, since 18 × 14 = 252,
   81/18 = 81 × 14/18 × 14 = 1134/252
3. Likewise, for the 2nd fraction, since 28 × 9 = 252,
   70/28 = 70 × 9/28 × 9 = 630/252
4. Add the two like fractions:
   1134/252 + 630/252 = 1134 + 630/252 = 1764/252
5. 1764/252 simplified gives 7/1
6. So, 81/18 + 70/28 = 7/1

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