explain 7/9-17/18 — step-by-step solution

Let's evaluate:

\frac{7}{9} - \frac{17}{18}

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

\frac{7 \times 2 - 17}{18}

ⓘMultiplications are done before additions and subtractions:

7 \times 2

14

\frac{14 - 17}{18}

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

14 - 17

-3

- \frac{3}{18}

ⓘWe simplify the fraction by dividing the numerator and the denominator by the number

3

- \frac{3}{18}

\frac{-1 \times 3}{6 \times 3}

- \frac{1}{6}

▶Result:

- \frac{1}{6}

The numeric value of:

- \frac{1}{6}

equals:

▷

\approx -0.1667