7/20-3/4 — step-by-step solution

Let's calculate:

\frac{7}{20} - \frac{3}{4}

\frac{7 - 3 \times 5}{20}

ℹ

-3 \times 5

-15

\frac{7 - 15}{20}

ℹ

7 - 15

-8

- \frac{8}{20}

▶Result:

- \frac{2}{5}

The approximate value of:

- \frac{2}{5}

is:

▷

-0.4