Question

using the appropriate properties of operation of rational number evaluate the following first question 3 upon 13 into 4 upon 5 minus 7 upon 5 minus 4 upon 5 into 5 upon 13​

Answer 1

Answer:

3/13*4/5-7/5-4/5*5/13

=12/45-7/5-4/5*5/13

=4/39-11/5

=20-143/195

=-123/195=-41/65