Answers

Add 5/63 and 4/70

5/63 + 4/70 is 43/315.

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,
   5/63 = 5 × 10/63 × 10 = 50/630
3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
   4/70 = 4 × 9/70 × 9 = 36/630
4. Add the two like fractions:
   50/630 + 36/630 = 50 + 36/630 = 86/630
5. 86/630 simplified gives 43/315
6. So, 5/63 + 4/70 = 43/315

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