Answers

Add 14/84 and 63/80

14/84 + 63/80 is 229/240.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 80 is 1680
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1680
2. For the 1st fraction, since 84 × 20 = 1680,
   14/84 = 14 × 20/84 × 20 = 280/1680
3. Likewise, for the 2nd fraction, since 80 × 21 = 1680,
   63/80 = 63 × 21/80 × 21 = 1323/1680
4. Add the two like fractions:
   280/1680 + 1323/1680 = 280 + 1323/1680 = 1603/1680
5. 1603/1680 simplified gives 229/240
6. So, 14/84 + 63/80 = 229/240

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