How to multiply fractions (Basic)

id	9654
user_id	6
roll_id	1364
order	9
language	ja
description	How can we multiply fractions? 1. Multiply the numerators. 2. Multiply the denominators. 3. Write a slash. That's all.
image_id	0
tag
created_time	1488695481
updated_time	1488703507