Answers

Add 8/63 and 45/70

8/63 + 45/70 is 97/126.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 70 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 63 × 10 = 630,
   8/63 = 8 × 10/63 × 10 = 80/630
3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
   45/70 = 45 × 9/70 × 9 = 405/630
4. Add the two like fractions:
   80/630 + 405/630 = 80 + 405/630 = 485/630
5. 485/630 simplified gives 97/126
6. So, 8/63 + 45/70 = 97/126

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