zumba dancing with yoga ? lose weight??

Hi , I'm a 24 year old girl my weight is 64 kg and I'm 1m 60 cm tall. So I'm not really fat but my body is the kind of skinny fat (all the fat is stored in my lower body) so I bought zumba dancing dvd's a month ago and started doing 30-40 min daily aside to counting my calories, drinking lots of water, and taking vitamins and fish oil pills. But since I want the difference to be obvious as soon as possible (because I have an upcoming event and I want to look fit :) ) and I don't have the time to go to the gym to lift weights so today I started doing 30 min of yoga pauses after zumba and I'm planning on continuing that. Just wondering if yoga with zumba will help me tone up my body (specifically lower body). Thanks :)