Question

rename 1/7 and 3/5 using the least common denominator

Answer 1

You're adding them?

Answer 2

Least common denominator. What does 5 and 7 go into equally?

Answer 3

no i just need to rename them

Answer 4

LCD: 7 times 5

Answer 5

What is that?

Answer 6

35

Answer 7

Damn this is hard to explain.

Answer 8

Okay. 35. You know that.
1/7 is the first fraction. How many times does 7 go into 35?

Answer 9

5 times, so now multiply the numerator (1) by 5.

Answer 10

5 is the numerator and 35 is the denominator. 1/7 = 5/35

Answer 11

Now 3/5.
5 goes into 35 7 times. Multiply the numerator (3) by 7.

Answer 12

7 times 3 is 21

Answer 13

3/5 = 21/35

Answer 14

The new fractions are 5/35 and 21/35

Answer 15

Adding them will give you 26/35