13(13) into 0(7) dump 7 6(13) into 0(7) fill 13 13(13) into 6(7) dump 7 12(13) into 0(7) dump 7 5(13) into 7 fill 13 13(13) into 5(7) dump 7 11(13) into 0(7) dump 7 4(13) into 0(7) fill 13 13(13) into 4(7) left with 10/13 7(7) into 0(19) fill 7 7(7) into 7(19) fill 7 7(7) into 14(19) 19(19) into 5(7) dump 7 17(19) into 0(7) left with 10(19)
7
7
20
91 divided by 13 = 7 13 can go into 91 7 times
13(13) into 0(7) dump 7 6(13) into 0(7) fill 13 13(13) into 6(7) dump 7 12(13) into 0(7) dump 7 5(13) into 7 fill 13 13(13) into 5(7) dump 7 11(13) into 0(7) dump 7 4(13) into 0(7) fill 13 13(13) into 4(7) left with 10/13 7(7) into 0(19) fill 7 7(7) into 7(19) fill 7 7(7) into 14(19) 19(19) into 5(7) dump 7 17(19) into 0(7) left with 10(19)
7/13 is already in simplest form.
The reciprocal of -13/7 is -7/13
1
13-a = 7 -a = 7-13 -a = -6 a = 6
The sum of 7 & 13 = 7 + 13 = 20
13*14 = 182 and 189 = 182 + 7 So 189/13 = (182 + 7)/13 = 182/13 + 7/13 = 14+7/13 = 14 7/13
13 = 7 + s(13 - 7) = (7-7) + s6 = s
7 - 13 = -6
7 - 13 = -6
It is -7/13.
7