3/7 x 14/15

To solve this question, we multiply the numerator and denominator of the two fractions together, which is as follows:

(3*14) / (7*15)

= 42/105

Dividing both the numerator and denominator by the greatest common divisor, which is 21 in this case, we have:

(42:21) / (105:21)

= ⅖