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Find the sum of 813 and 311. - Mathematics

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प्रश्न

Find the sum of `8/13` and `3/11`.

बेरीज

उत्तर

Given, `8/13` and `3/11`

Sum = `8/13 + 3/11`

= `(8 xx 11)/(13 xx 11) + (3 xx 13)/(11 xx 13)`

= `88/143 + 39/143`  ......[∵ LCM of 13 and 11 = 143]

= `(88 + 39)/143`

= `127/143`

Hence, the sum of `8/13` and `3/11` is `127/143`.

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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 78. (i) | पृष्ठ २४९

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