Simplify the fractions.
OPTION A

Not equivalent of fraction 45/46.
OPTION B

Fraction 135/138 is simplify to 45/46. So fraction 135/138 is equivalent to 45/45.
OPTION C

Fraction 90/93 is not equivalent to 45/46.
OPTION D

Fraction 170/178 is not equivalent to 45/46.
So answer is OPTION B.
135/138