Tag Archives: addition of fractions

PCSR REVIEW SERIES WEEK 3: Addition and Subtraction of Fractions

Last week, we have learned how to add and subtract fractions. In this post, we are going to learn about addition of mixed fractions. There are two strategies in addition and subtraction of mixed fractions. The first one is to add or subtract first the whole numbers (if possible), then add or subtract the fraction.… Read More »

Addition of Fractions Quiz 1

Operations on fractions is one of the concepts that you should master if you want to take the Civil Service Examination.  Although it maybe an elementary concept, but problems in Number Series as well as  in Algebra (such as Word Problems) usually involve fractions. Take your first quiz on Addition of Fractions and see how much… Read More »

A Summary of the Operations on Fractions Series

Fractions is one of the concepts that you should master if you want to pass the Civil Service Examination. Although fraction seems like a simple context, most of the time it is used in higher mathematics such as algebraic manipulation as well as in problem solving. We have discussed all the operations in fractions, but… Read More »

Tagalog Video: The Concept of Least Common Multiple

I am planning to include videos of explanation of mathematical concepts in this blog and below is my first trial video. The explanation in the video is mostly Filipino (Tagalog) and sometimes English. This video discusses the concept of least common multiple which is used in addition of fractions. I hope you learn something from… Read More »

Fraction Addition Practice Test 1 Solutions and Answers

The idea of getting the least common multiple of the denominator in adding dissimilar fractions is to convert them into similar fractions or fractions whose denominators are the same. Once the fractions are similar, you only need to add the numerator and  copy the denominator. The solutions to Fraction Addition Practice Test 1 below is divided into… Read More »

How to Get the Least Common Multiple of Numbers

In mathematics, a multiple is a product of any number and an integer. The numbers 16, -48 and 72 are multiples of 8 because 8 x 2 = 16, 8 x -3 = -48 and 8 x 9 = 72. Similarly, the first five positive  multiples of 7 are the following: 7, 14, 21, 28, 35.… Read More »

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