Answers

Add 20/84 and 63/30

1^st number: 20/84, 2^nd number: 2 3/30

20/84 + 63/30 is 491/210.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 30 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 84 × 5 = 420,
   20/84 = 20 × 5/84 × 5 = 100/420
3. Likewise, for the 2nd fraction, since 30 × 14 = 420,
   63/30 = 63 × 14/30 × 14 = 882/420
4. Add the two like fractions:
   100/420 + 882/420 = 100 + 882/420 = 982/420
5. 982/420 simplified gives 491/210
6. So, 20/84 + 63/30 = 491/210
   In mixed form: 271/210

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