1/2×15/5+2/3÷3/8=....

[tex] \frac{1}{2} \times \frac{15}{5} + \frac{2}{3} \div \frac{3}{8} \\ = \frac{3}{2} + \frac{2}{3} \times \frac{8}{3} \\ = \frac{3}{2} + \frac{16}{9} \\ = \frac{27}{18} + \frac{32}{18} \\ = \frac{59}{18} [/tex]

Kelas 4 Matematika
Bab Pecahan

1/2 x 15/5 + 2/3 : 3/8
= 1/2 x 3 + 2/3 x 8/3
= 3/2 + 16/9
= (9 x 3 + 16 x 2)/(2 x 9)
= (27 + 32)/18
= 59/18
= 3  9/18