Answers

Add 14/42 and 15/45

14/42 + 15/45 is 2/3.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 45 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 42 × 15 = 630,
   14/42 = 14 × 15/42 × 15 = 210/630
3. Likewise, for the 2nd fraction, since 45 × 14 = 630,
   15/45 = 15 × 14/45 × 14 = 210/630
4. Add the two like fractions:
   210/630 + 210/630 = 210 + 210/630 = 420/630
5. 420/630 simplified gives 2/3
6. So, 14/42 + 15/45 = 2/3

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