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Subjects>Math>Other Math

Which is greater 3 over 7 or 9 over 21?

Updated: 4/28/2022

Wiki User

∙ 13y ago

Best Answer

3/7 = 9/21 (multiplying both the numerator and denominator by 3), therefore 3 over 7 is equal to 9 over 21.

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∙ 13y ago

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Continue Learning about Other Math

Is 3 over 4 greater than 7 over 9?

No, because 3/4 is equal to 21/28 and 7/9 is equal to 21/27. 3/4 is less then 7/9 because of the denominator.

What is the answer to 1 over 7 and 1 over 3?

1/7 + 1/3 = 3/21 + 7/21 = 10/21

Is 7 yards greater or less than 18 feet?

There are 3 feet in a yard, so 3 x 7 is 21. There are 21 feet in 3 yards, so 7 yards is greater than 18 feet.

What is 20 over 21 divided by 2 over 3?

(20/21)/(2/3) = (20/21) x (3/2) = 10/7 = 1 and 3/7 = 1.428571429

Which is greater 7 over 10 or 3 over 4?

3/4 is greater than 7/10 3/4 = 0.75 7/10 = 0.70

Related questions

Which one is bigger 1 over 3 or 2 over 7?

1/3 is bigger than 2/7. This is because if you make each the same denumerator: 1/3 = 7/21, and 2/7 = 6/21 Since 7/21 is greater than 6/21, 1/3 is therefore the greater number.

Is 3 over 7 greater than 7 over 3?

no 3/7 is less than half 7/3 is more than two 3/7 x 3/3 = 9/21 7/3 x 7/7 = 49/21

Is 7 over 20 greater than 1 over 3?

7/20 is the same as 21/60 1/3 is the same as 20/60 therefore 7/20 is the greater

Is 3 over 4 greater than 7 over 9?

No, because 3/4 is equal to 21/28 and 7/9 is equal to 21/27. 3/4 is less then 7/9 because of the denominator.

Is 5 over 7 greater than or less than 3 over 5?

5 over 7 is greater than 3 over five. You have to find a common denominator. The common denominator is 35 so 5 over 7 would become 25 over 35 and 3 over 5 would become 21 over 35. 25/35 > 21/35 = 5/7 > 3/5

Which is greater 3 over 10 or 7 over 10?

7 over 10 is greater. If you put both of these numbers in decimal you will get 7 over 10 as .7 and 3 over 10 as .3 The number 7 is greater than 3 so 7 over 10 is greater than 3 over 10.

What is bigger 3 7 or 6 21?

3/7 is greater.

Is 3 over 7 greater than 6 over 7?

No, 6/7 is greater than 3/7.

What is the answer to 1 over 7 and 1 over 3?

1/7 + 1/3 = 3/21 + 7/21 = 10/21

Is 2 over 3 greater than 7 over 10?

2/3 equals 20/30 7/10 equals 21/30 2/3 is less than 7/10.

What is greater 3 over 8 or 3 over 7?

3 over 7

Is 5 over 7 greater or less than 3 over 7?

5/7 is greater than 3/7

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