3 3/5+ 4 1/4= dengan cara

18/5 + 16/4 = 72/20 + 80/20 = 152/20  = 7 12/20 = 7 3/5

[tex]3 \frac{3}{5} + 4 \frac{1}{4} = \frac{18}{5}+\frac{17}{4} = \frac{72}{20}+\frac{85}{20} = \frac{157}{20} = 7 \frac{17}{20} [/tex]
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