12 per 15 ditambah 4 per 9

Penjelasan dengan langkah-langkah:

12/15 + 4/9

= 36/45 + 20/45

=56/45

= 1 11/45

= 12/15 + 4/9

= 72/90 + 40/90

= 112/90

= 56/45

Semogah membantu