\(2kg45g\)
\(=2+\dfrac{45}{100}\left(kg\right)\)
\(=2\dfrac{45}{100}\left(kg\right)\)
\(=2\dfrac{9}{20}\left(kg\right)\)
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\(2kg45g\)
\(=2+\dfrac{45}{100}\left(kg\right)\)
\(=2\dfrac{45}{100}\left(kg\right)\)
\(=2\dfrac{9}{20}\left(kg\right)\)