Answer:
=5/18
Step-by-step explanation:
Find the least common denominator or LCM of the two denominators:
LCM of 6 and 18 is 18
For the 1st fraction, since 6 × 3 = 18,
3
6
=
3 × 3
6 × 3
=
9
18
Likewise, for the 2nd fraction, since 18 × 1 = 18,
4
18
=
4 × 1
18 × 1
=
4
18
Subtract the two fractions:
9
18
-
4
18
=
9 - 4
18
=
5
18