Answers

Add 81/18 and 54/63

1^st number: 4 9/18, 2^nd number: 54/63

81/18 + 54/63 is 75/14.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 18 and 63 is 126
   
   Next, find the equivalent fraction of both fractional numbers with denominator 126
2. For the 1st fraction, since 18 × 7 = 126,
   81/18 = 81 × 7/18 × 7 = 567/126
3. Likewise, for the 2nd fraction, since 63 × 2 = 126,
   54/63 = 54 × 2/63 × 2 = 108/126
4. Add the two like fractions:
   567/126 + 108/126 = 567 + 108/126 = 675/126
5. 675/126 simplified gives 75/14
6. So, 81/18 + 54/63 = 75/14
   In mixed form: 55/14

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