Question

Q7. Simplify 1/5x5/6x6/7+3/7-1/2​

Answer 1

Answer:

1

5

5

6

⋅

6

7

+

3

7

−

1

⋅

1

2

1

5

5

6

⋅

6

7

+

3

7

−

1

⋅

1

2

Answer 2

1 / 5 × 5 / 6 × 6 / 7 + 3 / 7 - 1 / 2

solution

1 × 5 / 5 × 6 × ( 6 / 7 ) + 3 / 7 - 1 / 2

1 / 6 × ( 6 / 7 ) + 3 / 7 - 1 / 2

1 × 6 / 6 × 7 + 3 / 7 - 1 / 2

1 / 7 + 3 / 7 - 1 / 2

1 + 3 / 7 - 1 / 2

4 / 7 - 1 / 2

8 / 14 - 7 / 14

8 - 7 / 14

1 / 14