Question

please only solve a bit I will mark you brainlists
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Answer 1

Answer:

the answer of first one is

18/12=3/2

Explanation:

but i don't know how to solve 2 question

Answer 2

Explanation:

b.

2*1/5:3*1/15

=11/5:46/15

=11/5/46/15

=11/1/46/3

=11/1*3/46

=33/46

a.

1/2:3/4:5/6

=1/2/3/4:5/6

=4/6:5/6

=4/6/5/6

=4/5