Answers

Add 8/63 and 54/70

8/63 + 54/70 is 283/315.

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,
   54/70 = 54 × 9/70 × 9 = 486/630
4. Add the two like fractions:
   80/630 + 486/630 = 80 + 486/630 = 566/630
5. 566/630 simplified gives 283/315
6. So, 8/63 + 54/70 = 283/315

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