Question

3/5+7/10+9/15
Please give the answers

Answer 1

their lCM is 30

so .

(18+21+18)/30=57/30=19/10=1.9

Answer 2

3/5+7/10+9/15

we will take the LCM

LCM = 30

the no. will be

=18/30+21/30+18/30

=18+21+18/30

=57/30

=1.9