Answers

Add 20/84 and 10/49

20/84 + 10/49 is 65/147.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 49 is 588
   
   Next, find the equivalent fraction of both fractional numbers with denominator 588
2. For the 1st fraction, since 84 × 7 = 588,
   20/84 = 20 × 7/84 × 7 = 140/588
3. Likewise, for the 2nd fraction, since 49 × 12 = 588,
   10/49 = 10 × 12/49 × 12 = 120/588
4. Add the two like fractions:
   140/588 + 120/588 = 140 + 120/588 = 260/588
5. 260/588 simplified gives 65/147
6. So, 20/84 + 10/49 = 65/147

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