Well, honey, one fifth and two tenths are both what we call equivalent fractions. They may look different, but they're really just different ways of slicing up the same pie. One fifth and two tenths are both fractions where the numerator is half of the denominator. So, they're like two peas in a pod, just dressed up differently.
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You first need to break the question down into fractions that can be added together, thus:-one half = five tenthsone fifth = two tenthsthen do the additionfive tenths + two tenths = seven tenthsSolving 1/2 + 1/5...1/2 = 5/101/5 = 2/105/10 + 2/10 = 7/10
One fifth is two tenths. 8 tenths minus 2 tenths is 6 tenths or 3 fifths.
On fifth is the same as two tenths.
One half is five tenths. One fifth is two tenths. One half less one fifths is five tenths less two tenths, or three tenths. .5 - .2 = .3
nine tenths