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You simplify by finding a common factor of the two numbers greater than 1. In other words, you look for another number (greater than 1) which evenly divides into both the numbers in the fraction. 21 and 28 both divide by 7 to give 3 and 4 respectively. So we can simplify to 3/4.
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Earn +20 ptsQ: How do you simplify 21 over 28?
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Simplify 28 over 336?
28/336 = 1/12
How do you simplify 28 over 35?
To simplify 28 / 35, you divide by the GCF of 28 and 35. The GCF is 7, so 28 / 35 / 7 = 4 / 5.
How do you simplify 12 over 28?
12/28 = 3/7 = 0.428571428
How do you simplify 15 over 28?
Unfortunately you can't. 15/28 is the simplest it will go.
How do you simplify 28 over 56?
By realizing that 28 is half of 56. 28/56 = 1/2
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