The ascending arrangement of (2/3), (6/7), (13/21) is:(a) 6/7, 2/3, 13

1.	The ascending arrangement of (2/3), (6/7), (13/21) is:(a) 6/7, 2/3, 13/21 (b) 13/21, 2/3, 6/7(c) 6/7, 13/21, 2/3 (d) 2/3, 6/7, 13/21
Answer» (b) 13/21, 2/3, 6/7 LCM of 21, 3, 7 = 21 Now, let us change each of the given fraction into an equivalent fraction having 21 as the denominator. [(13/21) × (1/1)] = (13/21) [(2/3) × (7/7)] = (14/21) [(6/7) × (3/3)] = (18/21) Clearly, (13/21) < (14/21) < (18/21) Hence, (13/21) < (2/3) < (6/7) Hence, the given fractions in ascending order are (13/21), (2/3), (6/7)

The ascending arrangement of (2/3), (6/7), (13/21) is:(a) 6/7, 2/3, 13/21 (b) 13/21, 2/3, 6/7(c) 6/7, 13/21, 2/3 (d) 2/3, 6/7, 13/21

Answer»

(b) 13/21, 2/3, 6/7

LCM of 21, 3, 7 = 21

Now, let us change each of the given fraction into an equivalent fraction having 21 as the denominator.

[(13/21) × (1/1)] = (13/21)

[(2/3) × (7/7)] = (14/21)

[(6/7) × (3/3)] = (18/21)

Clearly,

(13/21) < (14/21) < (18/21)

Hence,

(13/21) < (2/3) < (6/7)

Hence, the given fractions in ascending order are (13/21), (2/3), (6/7)