Question

Q3: Find

(a): -2 1/9 - 6
(b): 5/63- {-6/21}​

Answer 1

Step-by-step explanation:

(a): -2 1/9 -6

2 1/9 = -19/9

-19/9 -6

(-19 -6×9)/9

(-19-54)/9

-73/9

5/63- {-6/21}

5/63+6/21

(5+6×3)/21

(5+18)/21

23/21