Answers

Add 20/84 and 35/5

1^st number: 20/84, 2^nd number: 7 0/5

20/84 + 35/5 is 152/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 5 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 5 × 84 = 420,
   35/5 = 35 × 84/5 × 84 = 2940/420
4. Add the two like fractions:
   100/420 + 2940/420 = 100 + 2940/420 = 3040/420
5. 3040/420 simplified gives 152/21
6. So, 20/84 + 35/5 = 152/21
   In mixed form: 75/21

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