Answers

Add 20/28 and 2/42

20/28 + 2/42 is 16/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 42 is 84
   
   Next, find the equivalent fraction of both fractional numbers with denominator 84
2. For the 1st fraction, since 28 × 3 = 84,
   20/28 = 20 × 3/28 × 3 = 60/84
3. Likewise, for the 2nd fraction, since 42 × 2 = 84,
   2/42 = 2 × 2/42 × 2 = 4/84
4. Add the two like fractions:
   60/84 + 4/84 = 60 + 4/84 = 64/84
5. 64/84 simplified gives 16/21
6. So, 20/28 + 2/42 = 16/21

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