Answers

Add 60/70 and 28/81

60/70 + 28/81 is 682/567.

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,
   60/70 = 60 × 81/70 × 81 = 4860/5670
3. Likewise, for the 2nd fraction, since 81 × 70 = 5670,
   28/81 = 28 × 70/81 × 70 = 1960/5670
4. Add the two like fractions:
   4860/5670 + 1960/5670 = 4860 + 1960/5670 = 6820/5670
5. 6820/5670 simplified gives 682/567
6. So, 60/70 + 28/81 = 682/567
   In mixed form: 1115/567

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