0.0714
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From 49/98 divide both by 7 = 7/14 divide by 7 again = 1/2
It is the same as divide by 98*15 that is, divide by 1470
You have to find the divisors of each numbers. To do so try and divide it by prime numbers starting with 2 and increasing each time you cannot divide. Repeat until you have 1. So, can you divide 28 by 2 ? Yes, and you have 14 Can you divide 14 by 2 ? Yes, and you have 7 can you divide 7 by 2 ? no. By 3 ? no By 5? no. BY 7 ? Yes and you have 1. So, 28 = 2 * 2* 7 Now for 98: 98 = 2 * 49 49 = 7 * 7 7 = 7 * 1 So, 98 = 2*7*7 To find the greatest common divisor, you now need to look for the common part in each number breakdown into prime numbers: In our example: 2*2*7 vs 2*7*7, you find that the common part is 2*7. So the GCD of 28 and 98 is 14.
98
7 and 14 as 98/7 is 14 and 98/14 is 7