Answers

Add 80/7 and 98/70

1^st number: 11 3/7, 2^nd number: 1 28/70

80/7 + 98/70 is 449/35.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 7 and 70 is 70
   
   Next, find the equivalent fraction of both fractional numbers with denominator 70
2. For the 1st fraction, since 7 × 10 = 70,
   80/7 = 80 × 10/7 × 10 = 800/70
3. Likewise, for the 2nd fraction, since 70 × 1 = 70,
   98/70 = 98 × 1/70 × 1 = 98/70
4. Add the two like fractions:
   800/70 + 98/70 = 800 + 98/70 = 898/70
5. 898/70 simplified gives 449/35
6. So, 80/7 + 98/70 = 449/35
   In mixed form: 1229/35

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