Arrange the following fractions in ascending order. Choose the correct answer from the options given below.

1.7/11

2.11/17

3.9/13

4.13/21

A1, 2, 3, 4

B1, 4, 2, 3

C4, 1, 2, 3 ✓ Correct

D2, 4, 3, 1

Correct answer: (C) 4, 1, 2, 3

Explanation

The ascending order is 13/21, 7/11, 11/17, 9/13.

7/11 = 0.636, 11/17 = 0.647.

9/13 = 0.692, 13/21 = 0.619.

Sorting ascending: 0.619 < 0.636 < 0.647 < 0.692.

This is the 4th, 1st, 2nd and 3rd fractions in order.

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