find the greatest number which divides 285 and 1249 leaving remainder 9 and 7 respectively
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the greatest number which divides 285 and 1249 leaving remainder 9 and 7 would be first of all subtract the remainder from the given number that is 285 - 9 and 249 - 7 now take the HCF of the resultant number
1st step
285-9=276
1249-7=1242
2nd step
HCF of 276 and 1242
i.e
138
1st step
285-9=276
1249-7=1242
2nd step
HCF of 276 and 1242
i.e
138
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