Answers

Add 70/84 and 80/70

1^st number: 70/84, 2^nd number: 1 10/70

70/84 + 80/70 is 83/42.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 70 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 70 × 6 = 420,
   80/70 = 80 × 6/70 × 6 = 480/420
4. Add the two like fractions:
   350/420 + 480/420 = 350 + 480/420 = 830/420
5. 830/420 simplified gives 83/42
6. So, 70/84 + 80/70 = 83/42
   In mixed form: 141/42

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