Q: What is the common denominator of 4 over 7 3 over 5?

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20 is the lowest common denominator for 4 and 10.

4

20

Multiply 3*4 = 12

Start by finding a common denominator. If the radical includes the entire fraction (3/4 for the first part), the common denominator would be square root of 12.

Related questions

20, although if you reduced 15/20 to 3/4, the common denominator would be 4.

20 is the lowest common denominator for 4 and 10.

4.

4

9

20

The LCD for 3/4 and 4/7 is 28.

The LCD of 3/4 and 4/5 is 20.

32 (8x4)

20

Multiply 3*4 = 12

Start by finding a common denominator. If the radical includes the entire fraction (3/4 for the first part), the common denominator would be square root of 12.