56+72=128
72
84t + 56.
12x-14w+103y+72+16-56+0-65+2w+0 original = 12x-14w+2w+103y+72+16-56+0-65+0 group = 12x-12w+103y-33 answer
(5,7)
It is: 56/72 = 7/9 by dividing 56 and 72 by their HCF
The L.C.M. of 72 and 56 is 504
56
128
8 7x8=56. 9x8=72
7/9 = 56/72 or 7/56 = 9/72
% rate:= 56/72 * 100%= 0.7778 * 100%= 77.78%
56/72 reduces to 7/9