I didn’t read the responses, but I’ll throw my 2 cents in anyway. If you are working out, not eating enough is a bad idea. At least, not enough protein. If you are eating less while working out, that is going to slow down your metabolism instead of increase it. Feed your muscles what they need so they don’t break down. Having bigger muscles will require more calories to maintain them, so you will need to eat more, and just having muscle will take care of burning fat itself.