Answers

Add 18/63 and 14/70

18/63 + 14/70 is 17/35.

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,
   18/63 = 18 × 10/63 × 10 = 180/630
3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
   14/70 = 14 × 9/70 × 9 = 126/630
4. Add the two like fractions:
   180/630 + 126/630 = 180 + 126/630 = 306/630
5. 306/630 simplified gives 17/35
6. So, 18/63 + 14/70 = 17/35

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