Question

Write the number 0.72 with 72 repeating as a fraction or a mixed number.

Answer 1

8/11.

Explanation:

0.7272.... * 100 = 72.7272.......

0.7272... * 1 = 0.7272.... Subtracting:

0.7272.... * 99 = 72.

so 0.7272..... = 72 / 99

= 8/11.