explain 1/8-13/20 — step-by-step solution

Let's calculate:

\frac{1}{8} - \frac{13}{20}

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

\frac{1 \times 5 - 13 \times 2}{8 \times 5}

ⓘMultiplications are done before additions and subtractions:

-13 \times 2

(- 10 - 3) \times 2

- 10 \times 2 - 3 \times 2

- 20 - 6

-26

ℹ

1 \times 5

5

‖

8 \times 5

40

\frac{5 - 26}{40}

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

5 - 26

-21

▶Result:

- \frac{21}{40}

The numeric value of:

- \frac{21}{40}

is:

▷

-0.525