Ask any fat person and he will be willing to lose weight but if you ask him how, he will have no clue. Many people think exercise is the way to lose weight, others think decreasing you food intake will work but nothing works alone.
If you want to lose weight you have to change your diet, reduce your calories and have to do regular exercise. While changing your diet make sure you add food with nutrients and remove those with high calories.
According to a new research Breakfast is the most important food intake, on the other hand your lunch and dinner should consist of fruit and vegetables. Also increase the intake of water to keep your stomach full.
Exercise should be started after consulting a professional trainer who will guide you according to your weight. But performing exercise is a must without which your efforts will be wasted.