

배가 불러서 피자를 사분의 일만 먹었어요.
[pɛka pullʌsʌ pʰit͡ɕalɯl sapuni ilman mʌkʌs͈ʌjo.]
I was full, so I only ate a quarter of the pizza.
반 학생의 사분의 일이 시험에 떨어졌어요.
[pan haks͈ɛŋɰi sapuni ili siʌme t͈ʌlʌt͡ɕjʌs͈ʌjo.]
A quarter of the students in the class failed the exam.
케이크를 사분의 일씩 나눠 먹을까요?
[kʰeikʰɯlɯl sapuni ils͈ik nanwʌ mʌkɯlk͈ajo?]
Shall we each have a quarter of the cake?
"사분의 일" is in the lesson "Education" (Level 35), along with 10 other useful words. LinDuo has 180 topic lessons like this one, 2,380 words in total. Every word has an illustration, a transcription and pronunciation in a female and a male voice. Just 10–15 minutes a day is enough to learn them all. Free, and works offline.