simplify 8/9-11/15

Solution

simplify

\frac{8}{9} - \frac{11}{15}

\frac{7}{45}

Decimal Notation

0.15555 \dots

Solution steps

\frac{8}{9} - \frac{11}{15}

Least Common Multiplier of

9, 15 : 45

Adjust Fractions based on the LCM

= \frac{40}{45} - \frac{33}{45}

Apply the fraction rule:

\frac{a}{c} - \frac{b}{c} = \frac{a - b}{c}

= \frac{40 - 33}{45}

Subtract the numbers:

40 - 33 = 7

= \frac{7}{45}

(- r - 10) - (- 4 r^{3} + r^{2} + 7 r)

9 x^{2} + 5 x + 8 + 9 x - 7

\frac{- 45}{- 9}

27 + 48 - 12