Answers

Add 72/5 and 70/84

1^st number: 14 2/5, 2^nd number: 70/84

72/5 + 70/84 is 457/30.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 5 and 84 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 5 × 84 = 420,
   72/5 = 72 × 84/5 × 84 = 6048/420
3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
   70/84 = 70 × 5/84 × 5 = 350/420
4. Add the two like fractions:
   6048/420 + 350/420 = 6048 + 350/420 = 6398/420
5. 6398/420 simplified gives 457/30
6. So, 72/5 + 70/84 = 457/30
   In mixed form: 157/30

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