Question

Ex.18 va rog ajutatima dau coroana

Answer 1

18.
a)59/7 - 12/5 = (59x5-12x7)/35 = (295-84)/35 = 211/35=6 intregi 1/35
b)56/15 - 17/10 = (56x2-17x3)/30 = (112-51)/30 = 61/30 = 2 intregi 1/30
c)(12-5)/12 = 7/12
d)(88-6)/11 = 82/11 = 7 intregi 5/11
e)6 - 11/9 = (6x9-11)/9 = (54-11)/9 = 43/9 = 4 intregi 7/9
f)37/18 - 1/9 = (37-1x2)/18 = (37-2)/18 = 35/18 = 1 intreg 17/18
g)51/8 - 11/4 = (51-11x2)/8 = (51-22)/8 = 29/8 = 3 intregi 5/8
h)62/15 - 41/12 = (62x4-41x5)/60 = (248-215)/60 = 33/60 = 11/20