Answers

Add 81/54 and 18/63

1^st number: 1 27/54, 2^nd number: 18/63

81/54 + 18/63 is 25/14.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 54 and 63 is 378
   
   Next, find the equivalent fraction of both fractional numbers with denominator 378
2. For the 1st fraction, since 54 × 7 = 378,
   81/54 = 81 × 7/54 × 7 = 567/378
3. Likewise, for the 2nd fraction, since 63 × 6 = 378,
   18/63 = 18 × 6/63 × 6 = 108/378
4. Add the two like fractions:
   567/378 + 108/378 = 567 + 108/378 = 675/378
5. 675/378 simplified gives 25/14
6. So, 81/54 + 18/63 = 25/14
   In mixed form: 111/14

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