Answers

Add 98/70 and 4/81

1^st number: 1 28/70, 2^nd number: 4/81

98/70 + 4/81 is 587/405.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 81 is 5670
   
   Next, find the equivalent fraction of both fractional numbers with denominator 5670
2. For the 1st fraction, since 70 × 81 = 5670,
   98/70 = 98 × 81/70 × 81 = 7938/5670
3. Likewise, for the 2nd fraction, since 81 × 70 = 5670,
   4/81 = 4 × 70/81 × 70 = 280/5670
4. Add the two like fractions:
   7938/5670 + 280/5670 = 7938 + 280/5670 = 8218/5670
5. 8218/5670 simplified gives 587/405
6. So, 98/70 + 4/81 = 587/405
   In mixed form: 1182/405

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