Hi your goal is good before starting abb workout u plz consult with a Dietician and first start with a proper diet and avoid skipping morning breakfast. Next u should go walking regularly and do some flexibility exercise and some warmup exercise before starting your abb exercise, better start ur abb workout in supervision of physiotherapist or a gym trainer. To avoid wear and tear and strain.

Hello Sir to reduce weight mainly  three things are important 1 your attitude and mind regarding your weight loss program 2 your exercises 3 your Diet  Better you consult a physiotherapist who may help you to do proper way of exercises and for diet consult a dietitians