Answers

Add 15/2 and 54/63

1^st number: 7 1/2, 2^nd number: 54/63

15/2 + 54/63 is 117/14.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 2 and 63 is 126
   
   Next, find the equivalent fraction of both fractional numbers with denominator 126
2. For the 1st fraction, since 2 × 63 = 126,
   15/2 = 15 × 63/2 × 63 = 945/126
3. Likewise, for the 2nd fraction, since 63 × 2 = 126,
   54/63 = 54 × 2/63 × 2 = 108/126
4. Add the two like fractions:
   945/126 + 108/126 = 945 + 108/126 = 1053/126
5. 1053/126 simplified gives 117/14
6. So, 15/2 + 54/63 = 117/14
   In mixed form: 85/14

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