Question

solve it please I need help​

Answer 1

Answer:

52/63

Step-by-step explanation:

First we need to find a common denominator. The lcm of 9 and 7 is 63. We now multiply 10 by 7 because we are multiplying 7 to the bottom and multiply 9 to 2 because we are multiply 9 to the bottom. We get (70/63)-(18/63). Our answer is 52/63!

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Answer 2

Step-by-step explanation:

10/9 -2/7

now..take the lcm of 9 and 7. we get 63

then divide the lcm by 9 and 7..then multiply it by 10 and 2 respectively. the sol. is as follows:

10/9 -2/7

= (70 - 18) /63

= 52/63.