Answers

Add 98/70 and 12/75

1^st number: 1 28/70, 2^nd number: 12/75

98/70 + 12/75 is 39/25.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 75 is 1050
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1050
2. For the 1st fraction, since 70 × 15 = 1050,
   98/70 = 98 × 15/70 × 15 = 1470/1050
3. Likewise, for the 2nd fraction, since 75 × 14 = 1050,
   12/75 = 12 × 14/75 × 14 = 168/1050
4. Add the two like fractions:
   1470/1050 + 168/1050 = 1470 + 168/1050 = 1638/1050
5. 1638/1050 simplified gives 39/25
6. So, 98/70 + 12/75 = 39/25
   In mixed form: 114/25

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