Question

evaluate it for me please​

Answer 1

Answer:

(-2)/9

Step-by-step explanation:

The LCM of 7 , 9, 21, 3 =63

4/7 + (-8)/9 + (-5)/21 + 1/3.

=(36-56-15+21)/63

= (-14)/63

= (-2)/9

Answer 2

Answer:

4/7 + -8/9 + -5/21 + 1/3

= 36 - 56 - 15 + 21 / 63

= -14/63

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

= -14/63

Then, Reduce the fraction with 7.

=-2/9

The final Answer is -2/9