hasil dari 1/12:1/4+1/4x1/15

Jawaban
[tex] \frac{1}{12} \div \frac{1}{4} + \frac{1}{4} \times \frac{1}{15} = \frac{7}{20} [/tex]

[tex] \frac{1}{12} : \frac{1}{4} + \frac{1}{4} X \frac{1}{15} = \frac{1}{12} X \frac{4}{1} + \frac{1}{4} X \frac{1}{15} = \frac{4}{12} + \frac{1}{60} = \frac{20+1}{60} = \frac{21}{60} = \frac{7}{20} [/tex]