3/4
3/4 is one answer
3/4.
To reduce the fraction 21 out of 28, you find the greatest common divisor (GCD) of 21 and 28, which is 7. Dividing both the numerator and denominator by 7 gives you 3 out of 4. Therefore, 21 out of 28 reduced is 3/4.
12/14, 24/28, 18/21
4/7 is equivalent to 8/14, 12/21, 16/28, and so on.
3/4 is one answer
12/28
3/4.
3/4
fraction which is equivalent to 3 out of 7 = 6/14, 9/21, 12/28,...
Expressed as a vulgar fraction in its simplest form, by dividing both sides of the fraction by 7, 21/28 is equal to 3/4, or three quarters.
To reduce the fraction 21 out of 28, you find the greatest common divisor (GCD) of 21 and 28, which is 7. Dividing both the numerator and denominator by 7 gives you 3 out of 4. Therefore, 21 out of 28 reduced is 3/4.
28
12/14, 24/28, 18/21
14/16 21/24 28/32 etc
4/7 is equivalent to 8/14, 12/21, 16/28, and so on.
21/28 but both 21 and 28 are multiples of 7 so you can divide top and bottom by 7. This gives you 3/4. Hope it helped :)