Answers

Add 20/84 and 70/49

1^st number: 20/84, 2^nd number: 1 21/49

20/84 + 70/49 is 5/3.

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,
   70/49 = 70 × 12/49 × 12 = 840/588
4. Add the two like fractions:
   140/588 + 840/588 = 140 + 840/588 = 980/588
5. 980/588 simplified gives 5/3
6. So, 20/84 + 70/49 = 5/3
   In mixed form: 12/3

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