Answers

Add 24/15 and 63/54

1^st number: 1 9/15, 2^nd number: 1 9/54

24/15 + 63/54 is 83/30.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 15 and 54 is 270
   
   Next, find the equivalent fraction of both fractional numbers with denominator 270
2. For the 1st fraction, since 15 × 18 = 270,
   24/15 = 24 × 18/15 × 18 = 432/270
3. Likewise, for the 2nd fraction, since 54 × 5 = 270,
   63/54 = 63 × 5/54 × 5 = 315/270
4. Add the two like fractions:
   432/270 + 315/270 = 432 + 315/270 = 747/270
5. 747/270 simplified gives 83/30
6. So, 24/15 + 63/54 = 83/30
   In mixed form: 223/30

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