explain 3/20-1/8 — step-by-step solution

Let's calculate:

\frac{3}{20} - \frac{1}{8}

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

\frac{3 \times 2 - 1 \times 5}{20 \times 2}

ⓘMultiplications are done before additions and subtractions:

3 \times 2

6

ℹ

-1 \times 5

-5

‖

20 \times 2

40

\frac{6 - 5}{40}

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

6 - 5

1

▶Result:

\frac{1}{40}

The approximate value of:

\frac{1}{40}

is:

▷

0.025