9/10-13/20 — step-by-step solution

Let's evaluate:

\frac{9}{10} - \frac{13}{20}

\frac{9 \times 2 - 13}{20}

ℹ

9 \times 2

18

\frac{18 - 13}{20}

ℹ

18 - 13

5

\frac{5}{20}

▶Result:

\frac{1}{4}

The numeric value of:

\frac{1}{4}

equals:

▷

0.25