18° 31' => 31 * 100/60 = 51.66 => 18.5166
73° 55' => 55 * 100/60 = 91.66 => 73.9166
or alternatively,
18° 31' = 18 + (31/60) = 18.5166
73° 55 = 73 + (55/60) = 73.9166
;)
Thanks.
--
Regards,
Susmit.
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