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Simplify: "2b"/5 - "7b"/15 + "13b"/3 - Mathematics

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Question

Simplify: `"2b"/5 - "7b"/15 + "13b"/3` 

Sum

Solution

`"2b"/5 - "7b"/15 + "13b"/3`  ....(LCM of 3,5,15 = 15)

`= ("6b" - "7b" + "65b")/15`

`= (71"b" - "7b")/15`

`= "64b"/15`

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Performs Operations (Addition and Subtraction) on Algebraic Expressions with Integral Coefficients Only.
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Chapter 11: Fundamental Concepts (Including Fundamental Operations) - Exercise 11 (E)

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Selina Concise Mathematics [English] Class 7 ICSE
Chapter 11 Fundamental Concepts (Including Fundamental Operations)
Exercise 11 (E) | Q 10
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