Question

4/5 + ( -7/9) + (-2/-3) + 5/7 =​

Answer 1

Answer:

$\frac{442}{315} = 1 \frac{27}{315}$

Step-by-step explanation:

$\frac{4}{5} + \frac{ - 7}{9} + \frac{2}{3} + \frac{5}{7}$

Now make the denominators same by taking out the LCM.

LCM is 315

$\frac{252}{315} + \frac{ - 245}{315} + \frac{210}{315} + \frac{225}{315}$

$\frac{252 + ( - 245) + 210 + 225}{315}$

$\frac{442}{315}$

Answer 2

252 - 245 + 210 + 225

___________________

315

442 / 315

1.40