21per4-13per6 Tolong jawab dengan cara

21/4 - 13/6
= 63/12 - 26/12
= 37/12.

[tex] \frac{21}{4} - \frac{13}{6} = \frac{63 - 26}{12} = \frac{37}{12} = 3 \frac{1}{12} [/tex]