Shop.TutorMeMath.net. This video by Fort Bend Tutoring shows the process of finding the LCD (Least Common Denominator) or LCM (Least Common Multiple). Two techniques are shown and 8 examples worked including finding the LCD with algebraic expressions.
Ovulation Calendar. An ovulation calendar can help you to determine when you are most fertile and most likely to get pregnant. Calendars. The two calendars linked below will help you track your ovulation so you can estimate when you are most fertile. For women who have a 28-32 day menstrual cycle, ovulation can take place between days 11 through 21. Remember this is just an average of days that ovulation could take place since every woman's cycle is different.
1 Your fertile days start 5 days before ovulation and end on the day of ovulation. 2  This method works if your menstrual cycle is regular, because then you will ovulate on a certain day of the month.3  But very few women have regular 28-day cycles. For the calendar method, you guess your next ovulation time after recording your last few months of menstrual cycles. 2  From the record, you guess which days of the month you are most likely to ovulate (be fertile). 3  Your fertile days start 5 days before ovulation and end on the day of ovulation.