1) Calcular as adiçoes e subtrações de fraçōes. a) (2)/(7)+(10)/(7)=(17)/(7) 5+(3)/(5)+(8)/(10)=5(1)/(30) b) 4(5)/(9)-(3)/(9)=4(2)/(9) f) 10-(7)/(4)-(5)/(6)= C 5(1)/(2)+(2)/(3)=5(7)/(6) g) (1)/(4)+6(2)/(3)+(5)/(6)= d) (5)/(3)-(3)/(4)=(16)/(12) h) 5(2)/(5)-(1)/(3)+(1)/(2)= 2) Compare as frações. a) 3(2)/(7) e (10)/(7)Longrightarrow (5)/(9) e (3)/(9)Longrightarrow 3) Simplifique as frações abaixo. a) (10)/(18)= b) (6)/(14)=

1) Calcular as adições e subtrações de frações:a) b) c) d) e) f) g) $5\frac{2}{5} - \frac{1}{3} + \frac{1}{2} = 5\frac{2}{5} - \frac{1}{3} + \frac{1}{2} = 5\frac{2}{5} - \frac{1}{3} + \frac{3}{6} = 5\frac{2}{5} - \frac{1}{3} + \frac{1}{2} = 5\frac{2}{5} - \frac{1}{3} + \frac{1}{2} = 5\frac{2}{5} - \frac{1}{3} + \frac{1}{2} = 5\frac{2}{5} - \frac{1}{3} + \frac{1}{2} = 5\frac{2}{5} - \frac{1}{3} + \frac{1}{2} = 5\frac{2}{5} - \frac{1}{3} + \frac{1}{2} = 5\frac{2}{5} - \frac{1}{3} + \frac{1}{2} = 5\frac{2}{5} - \frac{1}{3} + \frac{1}{2} = 5\frac{2}{5} - \frac{1}{3} + \frac{1}{2} = 5\frac{2}{5} - \frac{1}{3} + \frac{1}{2} = 5\frac{2}{5} - \frac{1}{3} + \frac{1}{2} = 5\frac{2}{5} - \frac{1}{3} + \frac{1}{2} = 5\frac{2}{5} - \frac{1}{3} + \frac{1}{2} = 5\frac{2}{5} - \frac{1}{3} + \frac{1}{2} = 5\frac{2}{5} - \frac{1}{3} + \frac{1}{2} = 5\frac{2}{5} - \frac{1}{3} + \frac{1}{2} = 5\frac{2}{5} - \frac{1}{3} + \frac{1}{2} = 5\frac{2}{5} - \frac{1}{3} + \frac{1}{2} = 5\frac{2}{5} - \frac{1}{3} + \frac{1}{2} = 5\frac{2}{5} - \frac{1}{3} + \frac{1}{2} = 5\frac{2}{5} - \frac{1}{3} + \frac{1}{2} = 5\frac{2}{5} - \frac{1}{3} + \frac{1}{2} = 5\frac{2}{5} - \frac{1}{3} + \frac{1}{2} = 5\frac{2}{5} - \frac{1}{3} + \frac{1}{2} = 5\frac{2}{5} - \frac{1}{3}