Question

Add the following rational numbers.​

Answer 1

Answer:

-10/63

Step-by-step explanation:

LCM lekar solve hogga

Answer 2

Answer:

so take the lcm of 7 and 9

lcm of 7 and 9 is 63

now make the denominater 63

7×9 = 63 ( first rational no.)

9×7 = 63 ( second rational no.)

now multiply -5 with 9 and 5 with 7

-5×9 = -45

5×7 = 35

-45 + 35 / 63

-10/63 is your answer