Question

Subtract the first rational number from the second
-4/-7 , 3/-7

Answer 1

(4/7)-(-3/7)= 4/7 +3/7= (4+3)/7 =7/7= 1

Answer 2

-4/-7=4/7
3/-7= 3/-7
so now subtraction
4/7-(-3/7) = 4+3/7 = 7/7= 1 is answer