advertisement

Fractional Parts Find the Fractional Part of a Number Find ½ of 12. (Think: 12 circles divided into 2 equal groups. 12 ÷ 2 = 6) There are 6 circles in each group. ½ of 12 = 6. (Think: 12 ÷ 2 = 6 and then 6 X 1 = 6) The denominator tells you how many equal parts or groups to divide the number into. Find 2/3 of 12. (Think: 12 circles divided into 3 equal groups. 12 ÷ 3 = 4) There are 4 circles in each group. So, 1/3 of the group is 4. Since we need two groups, we must multiple by 2. (4 X 2 = 8) 2/3 of 12 = 8. (Think: 12 ÷ 3 = 4 and then 4 X 2 = 8) The numerator tells you how many of those parts or groups you need.