In order to find the least common denominator, you need to find the multiples of all denominators.

I participate in a softball game every weekend.

My new keyboard makes typing very enjoyable.

I play volleyball with my friends every weekend.

The motherboard of my computer has broken.

We drove a motorboat on the lake.

Dahlia is my favorite flower.

He is good at beatboxing.

Surface meteorology is a part of meteorology that studies the interaction between the surface and the atmosphere.

He admits that he is bad at athletics.