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सी.आई.एस.सी.ई.आयसीएसई ICSE Class 7

Convert Given Fraction into a Fraction with Equal Numerators: 15/19, 25/28, 9/11 "And" 45/47 - Mathematics

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प्रश्न

Convert given fraction into a fraction with equal numerators: 

`15/19, 25/28, 9/11  "and"  45/47`

बेरीज

उत्तर

In `15/19, 25/28, 9/11  "and"  45/47`,
L.C.M. of 15, 25, 9 and 45 = 225


`therefore 15/19 = (15 xx 15)/(19 xx 15) = 225/285`


`25/28 = (25 xx 9)/(28 xx 9) = 225/252`


`9/11 = (9 xx 25)/(11 xx 25) = 225/275`

and `45/47 = (45 xx 5)/(47 xx 5) = 225/235`

Hence the required fractions are `225/285, 225/252,  225/275 "and"  225/235`

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Concept for Fraction as an Operator
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 3: Fractions (Including Problems) - Exercise 3 (B)

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सेलिना Concise Mathematics [English] Class 7 ICSE
पाठ 3 Fractions (Including Problems)
Exercise 3 (B) | Q 3.3
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