2 1/4 + 3 2/5=
Simplify ur answer too?
2007-08-23 06:23:51 · 8 answers · asked by ? 4 in Science & Mathematics ➔ Mathematics
why don't you do your own math homework ?
2007-08-23 06:29:50 · answer #1 · answered by ♥ rae of sunshine 6 · 1⤊ 0⤋
2 1/4 + 3 2/5 =
Convert the mixed number to a improper fraction
9/4 + 17/5 =
The common denominator is 20
45/20 + 68/20 =
Add the numerator
113/20=
5 13/20
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2007-08-23 13:35:33 · answer #2 · answered by SAMUEL D 7 · 0⤊ 1⤋
Convert each mixed fraction to plain fraction
2 1/4 = 9/4
3 2/5 = 17/5
9/4 +17/5 = ((5*9)+(17*4))/20 = (45 + 68)/20 = 113/20 = 5 13/20
2007-08-23 13:30:20 · answer #3 · answered by Bazz 4 · 0⤊ 1⤋
5 13/20
2007-08-23 13:37:42 · answer #4 · answered by bond_007 2 · 0⤊ 1⤋
2 1 /4 = 9/4
3 2/5 = 17/5
(9/4)*(5/5) + (17/5)*(4/4)=
45/30 + 68/20 = 113/20
113/20 = 5 13/20
2007-08-23 13:31:31 · answer #5 · answered by Anonymous · 0⤊ 1⤋
it is 5 13/20.
2007-08-23 13:31:02 · answer #6 · answered by Theater Girl Forever! =] 2 · 0⤊ 0⤋
5 13/20 ... change the fractions to decimals... add, and simplify to a fraction
2007-08-23 13:30:07 · answer #7 · answered by Chris S 2 · 0⤊ 0⤋
I'm with Carl E.......... but the absolute true answer is 5.65
2007-08-23 13:32:40 · answer #8 · answered by muddypuppyuk 5 · 0⤊ 0⤋