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सी.आई.एस.सी.ई.आयसीएसई ICSE Class 6

Simplify: 5/6-3/5(1/3+2/11) - Mathematics

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प्रश्न

Simplify:

`5/6-3/5(1/3+2/11)`

सोपे रूप द्या

उत्तर १

`5/6-3/5(1/3+2/11)=5/6-3/5((11+6)/33)`

= `5/6-3/5xx17/33=5/6-17/55`

= `(275-102)/330=173/330`

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उत्तर २

Simplify the innermost brackets:

`1/3 + 2/11 = 11/33+6/33 = 17/33`

Multiply by `3/5`

`3/5xx17/33 = 51/165 = 17/55`

Subtract from `5/6: "Rewrite"  5/6 and 17/55` with a common denominator:

LCD of 6 and 55 is 330.

`5/6 = 275/33, 17/55 = 102/330`

Perform the subtraction:

`275/330 - 102/330 = 173/330`

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पाठ 14: Fractions - Exercise 14 (D)

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सेलिना Mathematics [English] Class 6
पाठ 14 Fractions
Exercise 14 (D) | Q 5.09
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