RH- I started out with four steps for decades then changed to five steps to get a bit more speed. When I started to learn how to bowl LH, I really got all mixed up there for awhile. Now, I bowl either four or five step depending on the lanes and which spares are left to shoot at.
But, to answer your question. If you are RH and want to use a four step, you would start with your right foot so that you can slide on your left foot. If you are RH and want to use a five step, you would start with your left foot, sliding with your left.
Since you are RH and start with your left foot, you are either using a 3, 5 or 7 step approach assuming you are sliding on the left foot.
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