From one number to the next you add one to each addition... 1 to 5= +4 5 to 13= +8 (+ 4 from last) 13 to 26= +13 (+ 5 from last) 26 to 45= +19 (+ 6 from last) 45 to 71= +26 (+ 7 from last)
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Some equivalent fractions of 39/45 are: 13/15 = 26/30 = 39/45 = 52/60 = 65/75
1 x 26, 2 x 13, 13 x 2, 26 x 1.
With only two numbers it is difficult to find a pattern but I would imagine that this is a simple one since those are the only two numbers provided. If you do 21-13=8 you see that the difference is 8 so therefore, you would add 8 to each continuing number of the sequence. The pattern would be 13, 21, 29, 37, 45, 53, 61, 69
To simplify 26/45, we need to find the greatest common divisor (GCD) of 26 and 45, which is 1. Dividing both the numerator and denominator by 1 gives us the simplified fraction 26/45. Therefore, 26/45 is already in its simplest form.
HCF(26, 45) = 1. The numbers are co-prime.