3/13-12/17 — step-by-step solution

Let's evaluate:

\frac{3}{13} - \frac{12}{17}

\frac{3 \times 17 - 12 \times 13}{13 \times 17}

ℹ

3 \times 17

51

‖

-12 \times 13

-156

‖

13 \times 17

221

\frac{51 - 156}{221}

ℹ

51 - 156

-105

▶Result:

- \frac{105}{221}

The numeric value of:

- \frac{105}{221}

equals:

▷

\approx -0.4751