Answers

Add 70/20 and 14/84

1^st number: 3 10/20, 2^nd number: 14/84

70/20 + 14/84 is 11/3.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 20 and 84 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 20 × 21 = 420,
   70/20 = 70 × 21/20 × 21 = 1470/420
3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
   14/84 = 14 × 5/84 × 5 = 70/420
4. Add the two like fractions:
   1470/420 + 70/420 = 1470 + 70/420 = 1540/420
5. 1540/420 simplified gives 11/3
6. So, 70/20 + 14/84 = 11/3
   In mixed form: 32/3

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