Answers

Add 28/84 and 30/49

28/84 + 30/49 is 139/147.

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,
   28/84 = 28 × 7/84 × 7 = 196/588
3. Likewise, for the 2nd fraction, since 49 × 12 = 588,
   30/49 = 30 × 12/49 × 12 = 360/588
4. Add the two like fractions:
   196/588 + 360/588 = 196 + 360/588 = 556/588
5. 556/588 simplified gives 139/147
6. So, 28/84 + 30/49 = 139/147

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