Answers

Add 70/84 and 42/30

1^st number: 70/84, 2^nd number: 1 12/30

70/84 + 42/30 is 67/30.

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,
   70/84 = 70 × 5/84 × 5 = 350/420
3. Likewise, for the 2nd fraction, since 30 × 14 = 420,
   42/30 = 42 × 14/30 × 14 = 588/420
4. Add the two like fractions:
   350/420 + 588/420 = 350 + 588/420 = 938/420
5. 938/420 simplified gives 67/30
6. So, 70/84 + 42/30 = 67/30
   In mixed form: 27/30

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