Question

using appropriate properties of addition find the following:3/7+4/9 + -5 /21 + 2 / 3
the first person who will give me the answer i will follow him/her​​

Answer 1

Answer:

82/63

Step-by-step explanation:

3/7+4/9+(-5/21)+2/3

= 3/7+4/9-5/21+2/3

= (3/7-5/21)+(4/9+2/3)

= 4/21+10/9

= 82/63