Question

Find the least common denominator (LCD) for the fractions.
2/7 and 9/10


A.
1

B.
10

C.
35

D.
70

Answer 1

can you help

Answer 2

i will give a medel

Answer 3

multiply 7 by 10
then divide by 2 to see if there is a lower LCD - if either 7 or 10 will not divide into this then its 70

Answer 4

that is 35

Answer 5

so it is c

Answer 6

no its not 35 because 10 will not divide into 35

Answer 7

look at my post post

Answer 8

first we got 70 - diving by 2 was a method of seeing if there was a lower LCD

Answer 9

* my first post

Answer 10

the LCD is 70

Answer 11

ok

Answer 12

follow it?

Answer 13

thye numbers 10 and 7 must BOTH divide into the LCD