Question

Evaluate: 3/7-1/3: 2/9 +5/9​

Answer 1

Answer:

3/7-1/3÷2/9+5/6

3/7-1/3×9/2+5/6

3/7-3/2+5/6

3×6/42-3×21/42+5×7/42

18/42-63/42+35/42

18/42+35/42-63/42

53/42-63/42

-10/42=-5/21

Answer 2

Answer:

(i) 2/9, 2/3, 8/21 = (2 * 7, 2 * 21, 8 * 3)/63 [LCM (9, 3, 21) = 63]. = (14, 42, 24)/63 ... (x) 15 * 3/5 = (15 * 3)/5 = 45/5 = 9