Question

efetui b) 4x5x18 = 6x12 x 20

Answer 1

$\frac{4 \times 5 \times 18}{6 \times 12 \times 20} = \frac{4 \times 5 \times 3}{12\times 20 } = \frac{60}{240} \\ \\ \frac{60}{240} = \frac{1}{4}$