Question

3/7+4/9+(-5)/21+2/3​

Answer 1

Answer:

answer is 82/63

Step-by-step explanation:

lcm of 7 ,9,21,3 is 63

so the equation is

27+28+(-15)+42by lcm 63

after addad the answer is

82/63

Answer 2

Answer:

$\frac{3}{7} + \frac{4}{9} + \frac{ - 5}{21} + \frac{2}{3} \\ = \frac{27 + 28 - 15 + 42}{63} \\ = \frac{55 + 27}{63 } \\ = \frac{82}{63}$

hope it works out