2 × 10/12 = dgn caranya ya

[tex] = 2 \times \frac{10}{12} \\ = \frac{10}{6} \\ = \frac{5}{3} [/tex]
semoga membantu^_^

2 × 10/12 = 20/12
.
.
20/12 : 2/2 = 10/6 : 2/2 = 5/3 = 1 2/3 (pec.campuran)