3
-
4
Above answer is wrong.
Correct answer is:
7/10 - 1/2 = 7/10 - 5/10 = 2/10 = 1/5 (one fifth)
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One half minus one fifth is 3 tenths
7/10 - 1/5 = 7/10 - 2/10 = 5/10 = 1/2
two tenths or, simplified, one fifth.
one tenths
zero, one half equals five tenths, just as 4/8 and 2/4