1 4/5:2,25=9/5:225/100=9/5:9/4=4/5 1,3:5 1/5=13/10:26/5=1/4 31,25-12 5/6=3125/100-77/6=125/4-77/6=221/12=18 5/12 7,2·1/3=72/10·1/3=36/5·1/3=12/5=2 2/5 12,2·1/4=122/10·1/4=61/5·1/4=61/20=3 1/20 4,2+1/4=42/10+1/4=21/5+1/4=89/20=4 9/20 2,5+1 1/3=25/10+4/3=5/2+4/3=23/6=3 5/6 2,35-3/4=235/100-3/4=47/20-3/4=8/5=1 3/5
1 4/5:2,25=1,8:2,25=0,8 1,3:5 1/5=1,3:5,2=0,25 31,25-12 5/6=3125/100-77/6=9375/300-3850/300=5525/300=18 125/300=18 25/60=18 5/12 7,2x1/3=72/10x1/3=72/30=2 12/30=2 4/10=2,4 12,2x1/4=122/10x1/4=122/40=3 2/40=3 1/20=3,05 4,2+1/4=4,2+0,25=4,45 2,5+1 1/3=25/10+4/3=100/30=3 10/30=3 1/3 2,35-3/4=2,35-0,75=1,6
