Black Friday: lifetime access is on a special offer in the app, until November 30. Black Friday: special offer on lifetime access, until November 30. Download
진분수는 분자가 분모보다 작은 분수입니다.jinbunsuneun bunjaga bunmoboda jag-eun bunsuimnida.A proper fraction is a fraction where the numerator is less than the denominator.