it is 9/20
1/4 minus 9 is -8 3/4 or -8.75
7/10 minus 9/15 is 1/10
negitave 2 10ths
Since LCM(4, 5, 10) = 20, 1/4 - 2/5 - 3/10 = 5/20 - 8/20 - 6/20 = -9/20
it is 9/20
9/10 minus 3 is -2 1/10
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1/4 minus 9 is -8 3/4 or -8.75
7/10 minus 9/15 is 1/10
9/10 - 4/10 = 5/10 = 1/2.
negitave 2 10ths
Since LCM(4, 5, 10) = 20, 1/4 - 2/5 - 3/10 = 5/20 - 8/20 - 6/20 = -9/20
9/10 - 1/5 = 7/10
9 tenths= 9/10 9/10= .9 1.4 - .9= .5 your answer would be .5
9/10 minus 9/15 is 3/10
9/10 - 1/2 = 9/10 - 5/10 = 4/10 = 2/5.Or, 0.9 - 0.5 = 0.4.Nine tenths minus one half is four tenths.