Answers

Add 20/42 and 84/30

1^st number: 20/42, 2^nd number: 2 24/30

20/42 + 84/30 is 344/105.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 42 and 30 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 42 × 5 = 210,
   20/42 = 20 × 5/42 × 5 = 100/210
3. Likewise, for the 2nd fraction, since 30 × 7 = 210,
   84/30 = 84 × 7/30 × 7 = 588/210
4. Add the two like fractions:
   100/210 + 588/210 = 100 + 588/210 = 688/210
5. 688/210 simplified gives 344/105
6. So, 20/42 + 84/30 = 344/105
   In mixed form: 329/105

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