मराठी

Taking x = -49, y = 512 and z = 718, find (x – y) + z. - Mathematics

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प्रश्न

Taking x = `(-4)/9`, y = `5/12` and z = `7/18`, find (x – y) + z.

बेरीज

उत्तर

Given, x = `(-4)/9`, y = `5/12` and z = `7/18`

We have, (x – y) + z = `((-4)/9 - 5/12) + 7/18`

= `(-4 xx 4 - 5 xx 3)/36 + 7/18` ......[∵ LCM of 9 and 12 = 36]

= `(-16 - 15)/36 + 7/18`

= `((-31)/36 + 7/18)`

= `(-31 + 7 xx 2)/36`

= `(-31 + 14)/36`

= `(-17)/36`

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पाठ 8: Rationals Numbers - Exercise [पृष्ठ २५१]

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एनसीईआरटी एक्झांप्लर Mathematics [English] Class 7
पाठ 8 Rationals Numbers
Exercise | Q 94. (h) | पृष्ठ २५१

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