How can 85/153 be reduced down? Ive tried and tried
B berkeley New member Joined Apr 5, 2011 Messages 2 Apr 5, 2011 #1 How can 85/153 be reduced down? Ive tried and tried
G galactus Super Moderator Staff member Joined Sep 28, 2005 Messages 7,216 Apr 5, 2011 #2 Divide top and bottom by 17. Have you learned how to break a number up into its prime factors?. This is a good way to reduce a fraction. 85=17⋅5\displaystyle 85=17\cdot 585=17⋅5 153=32⋅17\displaystyle 153=3^{2}\cdot 17153=32⋅17 So, we have: 17⋅532⋅17\displaystyle \frac{17\cdot 5}{3^{2}\cdot 17}32⋅1717⋅5 The 17 cancels and we are left with 59\displaystyle \frac{5}{9}95
Divide top and bottom by 17. Have you learned how to break a number up into its prime factors?. This is a good way to reduce a fraction. 85=17⋅5\displaystyle 85=17\cdot 585=17⋅5 153=32⋅17\displaystyle 153=3^{2}\cdot 17153=32⋅17 So, we have: 17⋅532⋅17\displaystyle \frac{17\cdot 5}{3^{2}\cdot 17}32⋅1717⋅5 The 17 cancels and we are left with 59\displaystyle \frac{5}{9}95
