Question

DOY CORONA SI SABES ESTA RESPUESTAS DE FRACCIONES !!!! Plis nesecito ayuda

Answer 1

igual denominador

a.2/3-1/3= 1

b. 4/5-2/5=2

c. 7/12-3/12+1/12=5/12

d. 9/15-2/15-3/15-1/15= 3

distinto denominador

a.5/9+5/12=10/21

b. 2/5+4/9=6/14

c. 8/15-2/5=6/10

d. 5/16+3/10=8/26

e.9/10+2/15+1/20=12/45

f. 7/2+3/8-5/6=5/4= 1 1/4

simplifique y resuelva...

18/5.15/72=270/360=135/180=45/60=15/20=3/4

16/9.45/32=720/288=360/144=180/72=90/36=45/18= 2 9/18

51/7.21/34=1,071/714= 535.5/357=178.5/119

13/6.30/39=390/234=195/117=65/39

9.1/81=9/81=1/9

7.1/84=7/84=1/12