Question

IN ATTACHMENT





PLEASE ANSWER CORRECTLY​

Answer 1

Answer:

1/9(9) + 1/7(10)

1X9/,9X9 + 1X10/,7X10

9/81 + 10/70

lcm = 5670

9/81 X 70/70 = 630/5670, 10/70 X 81/81= 810/5670

630/5670 + 810/5670

630+810/5670

1440/5670

Hope it helps you

Answer 2

Answer:

its answer is this

Step-by-step explanation:

because the formula is every thing