Lowest common denominator-> 6
1/2 multiply both top and bottom by 3 to get it in sixths
1/6+3/6=4/6
4/6 simplifies to 2/3.
2/3 is the simplest form to your question.
It should be 6100 which rounded to the nearest ten gives 61 × 10²
Answer:

Step-by-step explanation:
divide each by x
Answer:
100m?
Step-by-step explanation:
Uh 100? is the 500m or something else I am assuming 500m perhaps.