Answers

Add 15/63 and 81/10

1^st number: 15/63, 2^nd number: 8 1/10

15/63 + 81/10 is 1751/210.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 10 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 63 × 10 = 630,
   15/63 = 15 × 10/63 × 10 = 150/630
3. Likewise, for the 2nd fraction, since 10 × 63 = 630,
   81/10 = 81 × 63/10 × 63 = 5103/630
4. Add the two like fractions:
   150/630 + 5103/630 = 150 + 5103/630 = 5253/630
5. 5253/630 simplified gives 1751/210
6. So, 15/63 + 81/10 = 1751/210
   In mixed form: 871/210

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