Answers

Add 81/30 and 35/45

1^st number: 2 21/30, 2^nd number: 35/45

81/30 + 35/45 is 313/90.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 45 is 90
   
   Next, find the equivalent fraction of both fractional numbers with denominator 90
2. For the 1st fraction, since 30 × 3 = 90,
   81/30 = 81 × 3/30 × 3 = 243/90
3. Likewise, for the 2nd fraction, since 45 × 2 = 90,
   35/45 = 35 × 2/45 × 2 = 70/90
4. Add the two like fractions:
   243/90 + 70/90 = 243 + 70/90 = 313/90
5. So, 81/30 + 35/45 = 313/90
   In mixed form: 343/90

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