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Solve: 294-307 - Mathematics

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Question

Solve:

`29/4 - 30/7`

Sum

Solution

Given, `29/4 - 30/7 = (29 xx 7)/(4 xx 7) - (30 xx 4)/(7 xx 4)` 

= `203/28 - 120/28`  ......`[(∵ "LCM of 4 and 7 is 28, so convert each of the given"),("fractions to equivalent fractions with denominator 28")]`

= `(203 - 120)/28`

= `83/28`

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Chapter 8: Rationals Numbers - Exercise [Page 249]

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NCERT Exemplar Mathematics [English] Class 7
Chapter 8 Rationals Numbers
Exercise | Q 79. (i) | Page 249

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