To determine which fractions are equivalent to 15211521, we need to simplify the fraction 15211521 by finding its factors and dividing both the numerator and denominator by the greatest common divisor.
The factors of 15211521 are: 1, 3, 7, 211, 72191, 169213, and 15211521 itself.
We can see that the greatest common divisor of 15211521 is 1 (since 1 is the only factor common to all the other fractions). Therefore, dividing both the numerator and denominator by 1 does not change the value of the fraction.
So, the fraction 15211521 is equal to itself: 15211521/1.
The fractions 5757, 30423042, 21152115, 25312531, and 4584 are not equivalent to 15211521. Therefore, the answer is none of the above.
Which of the following fractions are equivalent to 15211521? Select all that apply. (1 point) Responses 5757 5 7 30423042 30 42 21152115 21 15 25312531 25 31 4584
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1 answer