Answers

Add 81/90 and 70/3

1^st number: 81/90, 2^nd number: 23 1/3

81/90 + 70/3 is 727/30.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 3 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 90 × 1 = 90,
   81/90 = 81 × 1/90 × 1 = 81/90
3. Likewise, for the 2nd fraction, since 3 × 30 = 90,
   70/3 = 70 × 30/3 × 30 = 2100/90
4. Add the two like fractions:
   81/90 + 2100/90 = 81 + 2100/90 = 2181/90
5. 2181/90 simplified gives 727/30
6. So, 81/90 + 70/3 = 727/30
   In mixed form: 247/30

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