explain 1/20-3/5 — step-by-step solution

Let's evaluate:

\frac{1}{20} - \frac{3}{5}

ⓘTo add fractions, put them over the same denominator, then add the numerators

\frac{1 - 3 \times 4}{20}

ⓘMultiplications are done before additions and subtractions:

-3 \times 4

-12

\frac{1 - 12}{20}

ⓘThe numerator and the denominator are computed before the division:

1 - 12

-11

▶Result:

- \frac{11}{20}

The numeric value of:

- \frac{11}{20}

equals:

▷

-0.55