Question

operaciones con fracciones

Answer 1

Hola,

a. 3/5+9/5= 12/5

b.15/18-6/18= 9/18<> 1/2

c. 5/8+2/9+15/4
45+16/72 + 15/4
61/72+15/4
61x4 + 72x15/72x4
244+1080/288
1324/288<> 331/72

d. 32/5-19/4
32x4 - 19x5/20
128-95/20
33/20
e.

6-(4/5-3/4)
6- ( 16-15/20)
6-(1/20)
6-1/20
6x20 -1/20
120-1/120
119/120

Answer 2

a)3/5+9/5=12/5
b)15/18-6/18=9/18=1/2
c)5/8+2/9+15/4=45/72+16/72+270/72=331/72
d)32/5-19/4=128/20-95/20=33/20
e)6-(4/5-3/4)=120/20-(16/20-15/20)=120/20-1/20=119/20