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State Board Mathematics

Mangesh Jaybhay
04/07/2022 0 0

*Fraction addition :

When denominator is not same

Question:

Solve: [(2/5)+(3/7)]

Ans:

Using the rule 

[(a/b)+(c/d)]

 

[(a×d)+(b×c)]/(b×d)

 

(ad+bc)/bd

 

By using this formula 

We can solve 

[(2/5)+(3/7)]

 

[(2×7)+(3×5)]/(5×7)

 

(14+15)/35

 

[(2/5)+(3/7)] = (29/35)

This is final answer.

 

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