Question

what is the lcd of 3/4 and 7/10

Answer 1

LCD is the lowest number into which both 4 and 10 will divide exactly

Answer 2

oh so would it be 20

Answer 3

start by multiplying them
4 * 10 = 40

4 and 10 divide into this of course but is there a lower number into which they will divide also?

Answer 4

yes

Answer 5

20 is correct

Answer 6

thanks can you help whith one more

Answer 7

i was going to say Try 40 / 2

Answer 8

ok

Answer 9

what is 1 and 1/5 + 1 and 1/10

Answer 10

is it 2 and 3/10

Answer 11

we could do this in 2 parts
first add the whole numbers
1 + 1 = 2

Now add the fractions
1/5 and 1/10

Answer 12

2 3/10 is right

Answer 13

LCD of 1/5 and 1/10 is 10