Answers

Add 16/45 and 45/70

16/45 + 45/70 is 629/630.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 70 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 45 × 14 = 630,
   16/45 = 16 × 14/45 × 14 = 224/630
3. Likewise, for the 2nd fraction, since 70 × 9 = 630,
   45/70 = 45 × 9/70 × 9 = 405/630
4. Add the two like fractions:
   224/630 + 405/630 = 224 + 405/630 = 629/630
5. So, 16/45 + 45/70 = 629/630

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