Question

5\12 x- 4/15 x =0,51

Answer 1

$\frac{5}{12}x - \frac{4}{15}x = 0.51 \\ \\ \frac{25}{60}x - \frac{16}{60}x = 0.51 \\ \\ \frac{3}{20}x = 0.51 \\ \\ x = 0.51 \div \frac{3}{20} \\ \\ x = 3.4$