## 2018 PCSR Civil Service Review Guide 1

Week 1: September 24 – October 1, 2017 This week, we are going to learn about Least Common Multiple (LCM) and Greatest Common Divisor (GCD). LCM is needed in adding and subtracting dissimilar fractions, while GCD is needed in reducing fractions to lowest terms. In addition to LCM and GCD, we will also learn about… Read More »