Bonjour
E = 3 - 5/7
E = (3 x 7) / (1 x 7) - 5/7
E = 21/7 - 5/7
E = 16/7
F = 7/5 + 1
F = 7/5 + (1 x 5) / (1 x 5)
F = 7/5 + 5/5
F = 12/5
G = 13/12 + 19/48
G = (13 x 4) / (12 x 4) + 19/48
G = 52/48 + 19/48
G = 71/48
H = 17/13 - 11/65
H = (17 x 5) / (13 x 5) - 11/65
H = 85/65 - 11/65
H= 74/65.
