Answers

Add 2/16 and 2/21

2/16 + 2/21 is 37/168.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 16 and 21 is 336
   
   Next, find the equivalent fraction of both fractional numbers with denominator 336
2. For the 1st fraction, since 16 × 21 = 336,
   2/16 = 2 × 21/16 × 21 = 42/336
3. Likewise, for the 2nd fraction, since 21 × 16 = 336,
   2/21 = 2 × 16/21 × 16 = 32/336
4. Add the two like fractions:
   42/336 + 32/336 = 42 + 32/336 = 74/336
5. 74/336 simplified gives 37/168
6. So, 2/16 + 2/21 = 37/168

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