3/5-11/15

Let's evaluate: $\frac{3}{5}-\frac{11}{15}$

ⓘ To add fractions, put them over the same denominator, then add the numerators. We choose $15$, the least common multiple of $5$ and $15$. Multiplying the numerator and the denominator by the same number does not change the fraction: $\frac{3}{5}-\frac{11}{15}$ = $\frac{3\times 3}{5\times 3}-\frac{11}{15}$ = $\frac{3\times 3-11}{15}$

$\frac{3\times 3-11}{15}$

ⓘ Perform multiplications before additions and subtractions: $3\times 3$ = $9$

$\frac{9-11}{15}$

ⓘ Calculate the numerator and denominator before dividing: $9-11$ = $-2$

▶Result:   $-\frac{2}{15}$

The numeric value of: $-\frac{2}{15}$ is:

▷ $\approx -0.1333$