Three Sisters shared some money. The older gets 9/11 of the money. The next girl gets 7/12 of the remainder. What fraction of money does the youngest get?

Answer 1

The eldest sister got $ 9/11 of the total money.

The next sister received 7/12 of the remaining money, or 7/12 * 2/11 = $ 14/132.

Before determining what the third sister got, note that $ 9/11 = $ 108/132.

The first 2 sisters got a total of $ (108 + 14) / 132 = $122 /132.

Therefore, the youngest sister got $ (132 - 122)/132 = $ 10 / 132 of the original money.