13 + 7 + 2 + 6,42 + 2
Evaluate
30,42
Factor
\frac{3 ^ {2} \cdot 13 ^ {2}}{2 \cdot 5 ^ {2}} = 30\frac{21}{50} = 30.42
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20+2+6,42+2
Add 13 and 7 to get 20.
22+6,42+2
Add 20 and 2 to get 22.
28,42+2
Add 22 and 6,42 to get 28,42.
30,42
Add 28,42 and 2 to get 30,42.
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