Answers

Add 81/7 and 56/18

1^st number: 11 4/7, 2^nd number: 3 2/18

81/7 + 56/18 is 925/63.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 7 and 18 is 126
   
   Next, find the equivalent fraction of both fractional numbers with denominator 126
2. For the 1st fraction, since 7 × 18 = 126,
   81/7 = 81 × 18/7 × 18 = 1458/126
3. Likewise, for the 2nd fraction, since 18 × 7 = 126,
   56/18 = 56 × 7/18 × 7 = 392/126
4. Add the two like fractions:
   1458/126 + 392/126 = 1458 + 392/126 = 1850/126
5. 1850/126 simplified gives 925/63
6. So, 81/7 + 56/18 = 925/63
   In mixed form: 1443/63

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