
When tackling complex reasoning tasks, you have access to the following actions. Use them as needed to progress through your thought process.

[ASSESS]

[ADVANCE]

[VERIFY]

[SIMPLIFY]

[SYNTHESIZE]

[PIVOT]

[OUTPUT]

You should strictly follow the format below:

[ACTION NAME]

# Your action step 1

# Your action step 2

# Your action step 3

...

Next action: [NEXT ACTION NAME]


system
Given the sequence $\{a\_n\}$ satisfies $a_{n+1}=a_{n}+1 (n\in \mathbb{N^{*}})$, and $a_{1}=1$, find the value of $\frac {1}{a_{1}a_{2}} + \frac {1}{a_{2}a_{3}} + ... + \frac {1}{a_{99}a_{100}}$.

Present the answer in LaTex format: \boxed{Your answer}
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