Answers

Add 84/10 and 15/63

1^st number: 8 4/10, 2^nd number: 15/63

84/10 + 15/63 is 907/105.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 10 and 63 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 10 × 63 = 630,
   84/10 = 84 × 63/10 × 63 = 5292/630
3. Likewise, for the 2nd fraction, since 63 × 10 = 630,
   15/63 = 15 × 10/63 × 10 = 150/630
4. Add the two like fractions:
   5292/630 + 150/630 = 5292 + 150/630 = 5442/630
5. 5442/630 simplified gives 907/105
6. So, 84/10 + 15/63 = 907/105
   In mixed form: 867/105

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