Lesson: Basic Arithmetic - 16

Adding And Subtracting Fractions - The Fast Way

In case of two fractions, the addition and subtraction becomes quite easy if we use Criss-Cross method. This method saves steps in calculations and hence you spend lesser time to solve.

Video Lesson - Adding and Subtracting Fraction Fast

The Criss-Cross Method for Adding and Subtracting Fractions:

• Automatically multiply the different denominators:

  

• Cross-multiply the numerators and denominators:

  

• Add or subtract the results:

  

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The Math Fundamentals is a kick starter for all those who have just started considering a test as an option to pursue their higher degree program. It is an essential first step for those who haven't been in touch with basic Arithmetic for a long time and are still looking out for a test Preparation Course. It covers very basic fundamental concepts of Mathematics tested on the test such as Number Properties, Rules of Exponents & others.For those who haven't been in touch with the math basics, this is going to help them revisit all the jargon's necessary to be known to score good on the test's quant section.