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सी.आई.एस.सी.ई.आयसीएसई ICSE Class 7

Evaluate: 7/26 + 2 + (-11)/13 - Mathematics

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प्रश्न

Evaluate: `7/26 + 2 + (-11)/13`

बेरीज

उत्तर

`7/26 + 2 + (-11)/13`

`=> 7/26 + 2/1 + (-11)/13`

2 26, 13
13 13, 13
  1, 1

 

 

 

 

L.C.M. of 26 and 13 = 2 × 13 = 26


`=> (7 xx 1)/(26 xx 1) + (2 xx 26)/(1 xx 26) - (11 xx 2)/(13 xx 2)`
(∵ L.C.M. of 26 and 13 = 26)


`=> (7 + 52 - 22)/26`

 

`= (59 - 22)/26 = 37/26`

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Concept for Problem Solving Using Operations on Rational Numbers
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पाठ 2: Rational Numbers - Exercise 2 (E)

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सेलिना Concise Mathematics [English] Class 7 ICSE
पाठ 2 Rational Numbers
Exercise 2 (E) | Q 1.09
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