Answer:
[tex] - \frac{1}{20} [/tex]
Step-by-step explanation:
-2/5 + 1/10 + 1/4
[tex] = - \frac{2}{5} + \frac{1}{10} + \frac{1}{4} [/tex]
Find the LCM which is 100
[tex] = \frac{ - 40 + 10 + 25}{100} [/tex]
[tex] = \frac{ - 5}{100} [/tex]
[tex] = - \frac{1}{20} [/tex]
