1/19-7/20 — step-by-step solution

Let's calculate:

\frac{1}{19} - \frac{7}{20}

\frac{20 - 7 \times 19}{19 \times 20}

ℹ

-7 \times 19

-133

‖

19 \times 20

380

\frac{20 - 133}{380}

ℹ

20 - 133

-113

▶Result:

- \frac{113}{380}

The numeric value of:

- \frac{113}{380}

equals:

▷

\approx -0.2974