मराठी

Solve: 513--826 - Mathematics

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प्रश्न

Solve:

`5/13 - (-8)/26`

बेरीज

उत्तर

Given, `5/13 - ((-8)/7) = 5/13 + 8/26`

= `(5 xx 2)/(13 xx 2) + (8 xx 1)/(26 xx 1)` 

= `10/26 + 8/26`   ......`[(∵ "LCM of 13 and 26 is 26, so convert each of the given"),("fractions to equivalent fractions with denominator 26")]`

= `(10 + 18)/26`

= `18/26`

= `(18 ÷ 2)/(26 ÷ 2)`  ......[Dividing numerator and denominator by 2]

= `9/13`  

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पाठ 8: Rationals Numbers - Exercise [पृष्ठ २४९]

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एनसीईआरटी एक्झांप्लर Mathematics [English] Class 7
पाठ 8 Rationals Numbers
Exercise | Q 79. (ii) | पृष्ठ २४९

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