How to add decimal fractions? Share with your friends Share 0 Priyanka Kedia answered this 0 View Full Answer Intelligent answered this u have to make the numbers after points equal as 4.09 + 4.0 they are not equal so we have to put umer of zeros after the decimal of 4.0 to make it equal ad hen it becomes 4.00+4.09 now u can add it like ormal addition useing carry overs 0 Jhajharia answered this you can see in the book 0 Intelligent answered this u did't understand it u jelous??bewakuf 0