Answers

Add 84/70 and 42/84

1^st number: 1 14/70, 2^nd number: 42/84

84/70 + 42/84 is 17/10.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 84 is 420
   
   Next, find the equivalent fraction of both fractional numbers with denominator 420
2. For the 1st fraction, since 70 × 6 = 420,
   84/70 = 84 × 6/70 × 6 = 504/420
3. Likewise, for the 2nd fraction, since 84 × 5 = 420,
   42/84 = 42 × 5/84 × 5 = 210/420
4. Add the two like fractions:
   504/420 + 210/420 = 504 + 210/420 = 714/420
5. 714/420 simplified gives 17/10
6. So, 84/70 + 42/84 = 17/10
   In mixed form: 17/10

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