Answers

Add 81/3 and 70/72

1^st number: 27 0/3, 2^nd number: 70/72

81/3 + 70/72 is 1007/36.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 3 and 72 is 72
   
   Next, find the equivalent fraction of both fractional numbers with denominator 72
2. For the 1st fraction, since 3 × 24 = 72,
   81/3 = 81 × 24/3 × 24 = 1944/72
3. Likewise, for the 2nd fraction, since 72 × 1 = 72,
   70/72 = 70 × 1/72 × 1 = 70/72
4. Add the two like fractions:
   1944/72 + 70/72 = 1944 + 70/72 = 2014/72
5. 2014/72 simplified gives 1007/36
6. So, 81/3 + 70/72 = 1007/36
   In mixed form: 2735/36

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