1) 14/25 - 1/5 = (145 - 125) / (25*5) = (70 - 25) / 125 = 45 / 125 = 9 / 25
2) 7/10 - 9/100 = (710 - 91) / (10*100) = (70 - 9) / 100 = 61 / 100
3) 7/11 - 21/44 = (74 - 113) / (11*4) = (28 - 33) / 44 = -5 / 44
4) 5/8 - 1/2 = (52 - 18) / (8*2) = (10 - 8) / 16 = 2 / 16 = 1 / 8
5) 7/8 - 11/24 = (73 - 811) / (8*24) = (21 - 88) / 192 = -67 / 192
6) 17/18 - 5/6 = (176 - 185) / (18*6) = (102 - 90) / 108 = 12 / 108 = 1 / 9
7) 777/1000 - 1/10 = (77710 - 10001) / (1000*10) = (7770 - 1000) / 10000 = 6770 / 10000 = 677 / 1000
1) 14/25 - 1/5 = (145 - 125) / (25*5) = (70 - 25) / 125 = 45 / 125 = 9 / 25
2) 7/10 - 9/100 = (710 - 91) / (10*100) = (70 - 9) / 100 = 61 / 100
3) 7/11 - 21/44 = (74 - 113) / (11*4) = (28 - 33) / 44 = -5 / 44
4) 5/8 - 1/2 = (52 - 18) / (8*2) = (10 - 8) / 16 = 2 / 16 = 1 / 8
5) 7/8 - 11/24 = (73 - 811) / (8*24) = (21 - 88) / 192 = -67 / 192
6) 17/18 - 5/6 = (176 - 185) / (18*6) = (102 - 90) / 108 = 12 / 108 = 1 / 9
7) 777/1000 - 1/10 = (77710 - 10001) / (1000*10) = (7770 - 1000) / 10000 = 6770 / 10000 = 677 / 1000