Mister Exam

Least common denominator pi/9-pi/5

An expression to simplify:

The solution

You have entered [src]
pi   pi
-- - --
9    5 
$$- \frac{\pi}{5} + \frac{\pi}{9}$$
pi/9 - pi/5
Fraction decomposition [src]
-4*pi/45
$$- \frac{4 \pi}{45}$$
-4*pi
-----
  45 
General simplification [src]
-4*pi
-----
  45 
$$- \frac{4 \pi}{45}$$
-4*pi/45
Common denominator [src]
-4*pi
-----
  45 
$$- \frac{4 \pi}{45}$$
-4*pi/45
Numerical answer [src]
-0.279252680319093
-0.279252680319093
Combining rational expressions [src]
-4*pi
-----
  45 
$$- \frac{4 \pi}{45}$$
-4*pi/45
Powers [src]
-4*pi
-----
  45 
$$- \frac{4 \pi}{45}$$
-4*pi/45
Rational denominator [src]
-4*pi
-----
  45 
$$- \frac{4 \pi}{45}$$
-4*pi/45
Trigonometric part [src]
-4*pi
-----
  45 
$$- \frac{4 \pi}{45}$$
-4*pi/45
Combinatorics [src]
-4*pi
-----
  45 
$$- \frac{4 \pi}{45}$$
-4*pi/45