penjumlahan bilangan pecahan
https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjD8iBGPdYuZFR1F6jBblJAHVTppP6MyhsmiFNofmAdZRmgG4omr8vdu-u3xciQda_KcJjG9gX6q-qQejr26zgKsY4exEXDm3GwO1aorsMZPTCFQeX0vWrkKB0Mk0SbCzSTP8DJUSuDzFHz/s72-c/penjumlahan.png
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