20mm is equal to 2 cm.
40 cm / 1 m = 40 cm/100 cm = 40/100 = 0.4
I assume that a mertre is meant to be a metre!40 cm/1 m = 40 cm/100 cm.Therefore the fraction is 40/100 and you can simplify that if you wish.
40 cm / 2m = 40 cm / 200 cm = 40/200 = 1/5
40 cm/2 m = 40cm/200 cm = 40/200 = 1/5 or 0.2
22/1 cm40% of 55 cm= 40% * 55 cm= 0.40 * 55 cm= 22 cm= 22/1 cm
4/10 2/5 or 40%
fraction of 4 cm is 4mm = 1/101 cm = 10mm4 cm = 40mm4mm/4cm = 4mm/40mm = 4/40 or 1/10
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